diff --git a/lang/de.json b/lang/de.json
index a20e0d9..1d60fde 100644
--- a/lang/de.json
+++ b/lang/de.json
@@ -86,5 +86,9 @@
   "CONFIGURABLE_REACTIONS.Builder.DropSpellOnTrigger": "Zauber auf diesen Auslöser ziehen, um nach Zaubername zu filtern.",
   "CONFIGURABLE_REACTIONS.Builder.DropSpellOnAction": "Zauber hier ablegen, um ihn für diese Aktion zu speichern.",
   "CONFIGURABLE_REACTIONS.Builder.DropSpellCreatesAction": "Ein Zauber kann direkt in den Effekt-Bereich gezogen werden und erzeugt eine passende Zauber-Aktion.",
-  "CONFIGURABLE_REACTIONS.Triggers.SpellFilter": "Zauberfilter: {name}"
+  "CONFIGURABLE_REACTIONS.Triggers.SpellFilter": "Zauberfilter: {name}",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.SelectedTypes": "Gewählte Schadenstypen",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.NoTypes": "Keine Schadenstypen ausgewählt",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.SelectPlaceholder": "Schadenstyp auswählen",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.RemoveType": "Schadenstyp entfernen: {type}"
 }
diff --git a/lang/en.json b/lang/en.json
index d4bd718..c8d94b3 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -86,5 +86,9 @@
   "CONFIGURABLE_REACTIONS.Builder.DropSpellOnTrigger": "Drop a spell on this trigger to filter by spell name.",
   "CONFIGURABLE_REACTIONS.Builder.DropSpellOnAction": "Drop a spell here to store it for this action.",
   "CONFIGURABLE_REACTIONS.Builder.DropSpellCreatesAction": "A spell can be dropped directly into the effect area to create a configured spell action.",
-  "CONFIGURABLE_REACTIONS.Triggers.SpellFilter": "Spell filter: {name}"
+  "CONFIGURABLE_REACTIONS.Triggers.SpellFilter": "Spell filter: {name}",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.SelectedTypes": "Selected damage types",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.NoTypes": "No damage types selected",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.SelectPlaceholder": "Select damage type",
+  "CONFIGURABLE_REACTIONS.Conditions.Damage.RemoveType": "Remove damage type: {type}"
 }
diff --git a/scripts/apps/reaction-config-app.js b/scripts/apps/reaction-config-app.js
index 0c02381..732e8dd 100644
--- a/scripts/apps/reaction-config-app.js
+++ b/scripts/apps/reaction-config-app.js
@@ -18,7 +18,8 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
     classes: ["configurable-reactions", "standard-form"],
     window: {
       title: "CONFIGURABLE_REACTIONS.App.Title",
-      icon: "fa-solid fa-bolt"
+      icon: "fa-solid fa-bolt",
+      resizable: true
     },
     position: {
       width: 1040,
@@ -33,6 +34,7 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
       removeAction: ConfigurableReactionsConfigApp.#onRemoveAction,
       saveReactionBasics: ConfigurableReactionsConfigApp.#onSaveReactionBasics,
       clearTriggerSpell: ConfigurableReactionsConfigApp.#onClearTriggerSpell,
+      removeDamageType: ConfigurableReactionsConfigApp.#onRemoveDamageType,
       clearActionSpell: ConfigurableReactionsConfigApp.#onClearActionSpell,
       removeActionStatus: ConfigurableReactionsConfigApp.#onRemoveActionStatus
     }
@@ -67,7 +69,12 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
     const activeTrigger = triggerPalette.find(t => t.type === selectedReaction?.trigger?.type) ?? null;
     const triggerSpellName = selectedReaction?.trigger?.spell?.itemName || selectedReaction?.trigger?.spell?.itemUuid || "";
     const activeTriggerAcceptsSpell = isSpellTrigger(selectedReaction?.trigger?.type);
+    const activeTriggerIsDamage = selectedReaction?.trigger?.type === TRIGGER_TYPES.DAMAGE_RECEIVED;
     const statusEffects = getStatusEffectOptions();
+    const damageTypes = getDamageTypeOptions();
+    const selectedDamageTypeIds = Array.from(new Set(selectedReaction?.conditions?.damage?.types ?? []));
+    const selectedDamageTypes = selectedDamageTypeIds.map(typeId => resolveDamageType(typeId, damageTypes));
+    const availableDamageTypes = damageTypes.filter(type => !selectedDamageTypeIds.includes(type.id));
     const visualActions = (selectedReaction?.actions ?? []).map((action, index) => {
       const paletteEntry = actionPalette.find(p => p.type === action.type);
       const selectedStatusIds = Array.from(new Set(action.statuses ?? []));
@@ -101,9 +108,12 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
       actionPalette,
       activeTrigger,
       activeTriggerAcceptsSpell,
+      activeTriggerIsDamage,
       triggerSpellName,
       visualActions,
-      statusEffects
+      statusEffects,
+      selectedDamageTypes,
+      availableDamageTypes
     };
   }
 
@@ -115,7 +125,10 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
       this.render({ force: true });
     });
 
+    this.#activateJsonEditor();
+    this.#activateBasicsSync();
     this.#activateStatusSelectors();
+    this.#activateDamageTypeSelector();
     this.#activateDragAndDrop();
   }
 
@@ -130,6 +143,41 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
       });
     }
   }
+  #activateJsonEditor() {
+    const textarea = this.element.querySelector("[name='reactionJson']");
+    if (!textarea) return;
+
+    textarea.addEventListener("blur", async () => {
+      if (document.activeElement === textarea) return;
+      await this.#saveReactionJsonFromTextarea({ render: true });
+    });
+  }
+
+  #activateBasicsSync() {
+    const nameInput = this.element.querySelector("[name='reactionName']");
+    const enabledInput = this.element.querySelector("[name='reactionEnabled']");
+
+    nameInput?.addEventListener("input", () => this.#syncJsonFromDesignerForm());
+    nameInput?.addEventListener("change", async () => this.#saveBasicsFromDesignerForm());
+    nameInput?.addEventListener("blur", async () => this.#saveBasicsFromDesignerForm());
+
+    enabledInput?.addEventListener("change", async () => {
+      this.#syncJsonFromDesignerForm();
+      await this.#saveBasicsFromDesignerForm();
+    });
+  }
+
+  #activateDamageTypeSelector() {
+    const select = this.element.querySelector("[data-cr-damage-type-select]");
+    if (!select) return;
+
+    select.addEventListener("change", async event => {
+      const damageType = event.currentTarget.value;
+      if (!damageType) return;
+      await this.#addDamageType(damageType);
+    });
+  }
+
 
   #activateDragAndDrop() {
     for (const draggable of this.element.querySelectorAll("[data-cr-drag]")) {
@@ -208,29 +256,7 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
   }
 
   static async #onSaveReactionJson(event, target) {
-    const textarea = this.element.querySelector("[name='reactionJson']");
-    if (!textarea) return;
-
-    let reaction;
-    try {
-      reaction = JSON.parse(textarea.value);
-    } catch (error) {
-      ui.notifications.error(game.i18n.localize("CONFIGURABLE_REACTIONS.Errors.InvalidJson"));
-      return;
-    }
-
-    if (!reaction.id) reaction.id = foundry.utils.randomID();
-    if (!reaction.name) reaction.name = game.i18n.localize("CONFIGURABLE_REACTIONS.Reactions.NewReaction");
-    reaction.actions ??= [];
-
-    const reactions = foundry.utils.deepClone(game.settings.get(MODULE_ID, SETTINGS.REACTIONS) ?? []);
-    const index = reactions.findIndex(r => r.id === reaction.id);
-    if (index >= 0) reactions[index] = reaction;
-    else reactions.push(reaction);
-
-    await game.settings.set(MODULE_ID, SETTINGS.REACTIONS, reactions);
-    this._selectedReactionId = reaction.id;
-    this.render({ force: true });
+    await this.#saveReactionJsonFromTextarea({ render: true });
   }
 
   static async #onDeleteReaction(event, target) {
@@ -308,16 +334,21 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
     });
   }
 
-  static async #onSaveReactionBasics(event, target) {
-    const name = this.element.querySelector("[name='reactionName']")?.value?.trim();
-    const enabled = this.element.querySelector("[name='reactionEnabled']")?.checked === true;
+  static async #onRemoveDamageType(event, target) {
+    const damageType = target.dataset.damageType;
+    if (!damageType) return;
 
     await this.#mutateSelectedReaction(reaction => {
-      if (name) reaction.name = name;
-      reaction.enabled = enabled;
+      reaction.conditions ??= {};
+      reaction.conditions.damage ??= {};
+      reaction.conditions.damage.types = (reaction.conditions.damage.types ?? []).filter(type => type !== damageType);
     });
   }
 
+  static async #onSaveReactionBasics(event, target) {
+    await this.#saveBasicsFromDesignerForm();
+  }
+
   async #setTrigger(triggerType) {
     await this.#mutateSelectedReaction(reaction => {
       reaction.trigger ??= {};
@@ -361,12 +392,77 @@ export class ConfigurableReactionsConfigApp extends HandlebarsApplicationMixin(A
     });
   }
 
+  async #addDamageType(damageType) {
+    await this.#mutateSelectedReaction(reaction => {
+      reaction.conditions ??= {};
+      reaction.conditions.damage ??= { enabled: true, amountMode: "damageOnly", types: [], typeMode: "any", minAmount: 1 };
+      reaction.conditions.damage.types ??= [];
+      if (!reaction.conditions.damage.types.includes(damageType)) reaction.conditions.damage.types.push(damageType);
+    });
+  }
+
+  async #saveReactionJsonFromTextarea({ render = true } = {}) {
+    const textarea = this.element.querySelector("[name='reactionJson']");
+    if (!textarea) return false;
+
+    let reaction;
+    try {
+      reaction = JSON.parse(textarea.value);
+    } catch (error) {
+      ui.notifications.error(game.i18n.localize("CONFIGURABLE_REACTIONS.Errors.InvalidJson"));
+      return false;
+    }
+
+    if (!reaction.id) reaction.id = foundry.utils.randomID();
+    if (!reaction.name) reaction.name = game.i18n.localize("CONFIGURABLE_REACTIONS.Reactions.NewReaction");
+    reaction.actions ??= [];
+
+    const reactions = foundry.utils.deepClone(game.settings.get(MODULE_ID, SETTINGS.REACTIONS) ?? []);
+    const index = reactions.findIndex(r => r.id === reaction.id);
+    if (index >= 0) reactions[index] = reaction;
+    else reactions.push(reaction);
+
+    await game.settings.set(MODULE_ID, SETTINGS.REACTIONS, reactions);
+    this._selectedReactionId = reaction.id;
+    if (render) this.render({ force: true });
+    return true;
+  }
+
+  async #saveBasicsFromDesignerForm() {
+    const name = this.element.querySelector("[name='reactionName']")?.value?.trim();
+    const enabled = this.element.querySelector("[name='reactionEnabled']")?.checked === true;
+
+    await this.#mutateSelectedReaction(reaction => {
+      if (name) reaction.name = name;
+      reaction.enabled = enabled;
+    });
+  }
+
+  #syncJsonFromDesignerForm() {
+    const reactions = foundry.utils.deepClone(game.settings.get(MODULE_ID, SETTINGS.REACTIONS) ?? []);
+    const reaction = reactions.find(r => r.id === this._selectedReactionId);
+    if (!reaction) return;
+
+    const name = this.element.querySelector("[name='reactionName']")?.value?.trim();
+    const enabled = this.element.querySelector("[name='reactionEnabled']")?.checked === true;
+    if (name) reaction.name = name;
+    reaction.enabled = enabled;
+    this.#updateJsonTextarea(reaction);
+  }
+
+  #updateJsonTextarea(reaction) {
+    const textarea = this.element.querySelector("[name='reactionJson']");
+    if (!textarea || document.activeElement === textarea) return;
+    textarea.value = JSON.stringify(reaction, null, 2);
+  }
+
   async #mutateSelectedReaction(mutator) {
     const reactions = foundry.utils.deepClone(game.settings.get(MODULE_ID, SETTINGS.REACTIONS) ?? []);
     const reaction = reactions.find(r => r.id === this._selectedReactionId);
     if (!reaction) return;
 
     mutator(reaction);
+    this.#updateJsonTextarea(reaction);
     await game.settings.set(MODULE_ID, SETTINGS.REACTIONS, reactions);
     this.render({ force: true });
   }
@@ -495,6 +591,25 @@ function resolveStatusEffect(statusId, statusEffects = getStatusEffectOptions())
   };
 }
 
+function getDamageTypeOptions() {
+  const damageTypes = CONFIG.DND5E?.damageTypes ?? {};
+  const entries = damageTypes instanceof Map
+    ? Array.from(damageTypes.entries())
+    : Object.entries(damageTypes);
+
+  return entries.map(([id, value]) => ({
+    id,
+    label: game.i18n.localize(value?.label ?? value ?? id)
+  })).sort((a, b) => a.label.localeCompare(b.label, game.i18n.lang));
+}
+
+function resolveDamageType(typeId, damageTypes = getDamageTypeOptions()) {
+  return damageTypes.find(type => type.id === typeId) ?? {
+    id: typeId,
+    label: typeId
+  };
+}
+
 function summarizeAction(action, statusEffects = getStatusEffectOptions()) {
   switch (action.type) {
     case ACTION_TYPES.TELEPORT:
diff --git a/styles/configurable-reactions.css b/styles/configurable-reactions.css
index 0d27929..a5f3fc4 100644
--- a/styles/configurable-reactions.css
+++ b/styles/configurable-reactions.css
@@ -15,7 +15,7 @@
 
 .configurable-reactions .cr-grid {
   display: grid;
-  grid-template-columns: 310px 1fr;
+  grid-template-columns: 33% 67%;
   gap: 1rem;
   min-height: 0;
   height: 100%;
@@ -27,6 +27,12 @@
   overflow: auto;
 }
 
+.configurable-reactions .cr-main {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+
 .configurable-reactions .cr-button-column {
   display: flex;
   flex-direction: column;
@@ -86,7 +92,9 @@
   display: grid;
   grid-template-columns: 1fr 1.35fr;
   gap: 0.75rem;
-  margin-bottom: 0.75rem;
+  flex: 0 0 40%;
+  min-height: 220px;
+  overflow: auto;
 }
 
 .configurable-reactions .cr-card,
@@ -100,7 +108,7 @@
 
 .configurable-reactions .cr-basics {
   display: grid;
-  grid-template-columns: 1fr auto auto;
+  grid-template-columns: 1fr auto;
   align-items: end;
   gap: 0.75rem;
   margin-bottom: 0.75rem;
@@ -157,15 +165,17 @@
   opacity: 0.8;
 }
 
-.configurable-reactions .cr-main textarea[name="reactionJson"] {
-  width: 100%;
-  min-height: 340px;
-  font-family: var(--font-monospace, monospace);
-  resize: vertical;
+.configurable-reactions .cr-json-editor {
+  flex: 1 1 auto;
+  min-height: 0;
 }
 
-.configurable-reactions .cr-reaction-summary {
-  margin-bottom: 0.75rem;
+.configurable-reactions .cr-main textarea[name="reactionJson"] {
+  width: 100%;
+  height: 100%;
+  min-height: 180px;
+  font-family: var(--font-monospace, monospace);
+  resize: none;
 }
 
 .configurable-reactions .form-group.stacked {
@@ -198,21 +208,23 @@
   justify-content: end;
 }
 
-.configurable-reactions .cr-status-builder {
+.configurable-reactions .cr-status-builder,
+.configurable-reactions .cr-damage-builder {
   display: flex;
   flex-direction: column;
   gap: 0.35rem;
   margin-top: 0.5rem;
 }
 
-.configurable-reactions .cr-status-label {
+.configurable-reactions .cr-chip-label {
   opacity: 0.85;
   font-weight: 600;
 }
 
-.configurable-reactions .cr-status-chip-list {
+.configurable-reactions .cr-chip-list {
   display: flex;
   flex-wrap: wrap;
+  justify-content: flex-end;
   gap: 0.25rem;
   min-height: 1.6rem;
   padding: 0.25rem;
@@ -221,38 +233,45 @@
   background: rgb(0 0 0 / 0.08);
 }
 
-.configurable-reactions .cr-status-chip {
+.configurable-reactions .cr-chip {
   display: inline-flex;
   align-items: center;
   gap: 0.3rem;
   max-width: 100%;
-  padding: 0.15rem 0.25rem 0.15rem 0.35rem;
+  padding: 0.12rem 0.2rem 0.12rem 0.35rem;
   border: 1px solid var(--color-border-light-secondary, #777);
   border-radius: 999px;
   background: rgb(0 0 0 / 0.16);
-  font-size: 0.8rem;
+  font-size: 70%;
 }
 
-.configurable-reactions .cr-status-chip img {
-  width: 16px;
-  height: 16px;
+.configurable-reactions .cr-chip img {
+  width: 14px;
+  height: 14px;
   border: none;
   object-fit: contain;
 }
 
-.configurable-reactions .cr-status-chip span {
+.configurable-reactions .cr-chip span {
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
-.configurable-reactions .cr-status-chip button {
-  width: 1.35rem;
-  min-height: 1.35rem;
+.configurable-reactions .cr-chip button {
+  width: 1rem;
+  min-height: 1rem;
+  height: 1rem;
   padding: 0;
   line-height: 1;
+  border: none;
+  box-shadow: none;
+  background: transparent;
+  font-size: 0.85em;
 }
 
-.configurable-reactions .cr-status-builder select {
+.configurable-reactions .cr-status-builder select,
+.configurable-reactions .cr-damage-builder select {
   width: 100%;
 }
+
diff --git a/templates/reaction-config.hbs b/templates/reaction-config.hbs
index d58f2a1..f78d9ec 100644
--- a/templates/reaction-config.hbs
+++ b/templates/reaction-config.hbs
@@ -78,9 +78,6 @@
             <label>{{localize "CONFIGURABLE_REACTIONS.Reactions.Enabled"}}</label>
             <input type="checkbox" name="reactionEnabled" {{#if selectedReaction.enabled}}checked{{/if}}>
           </div>
-          <button type="button" data-action="saveReactionBasics">
-            <i class="fa-solid fa-floppy-disk"></i> {{localize "CONFIGURABLE_REACTIONS.Common.Apply"}}
-          </button>
         </section>
 
         <section class="cr-builder-grid">
@@ -99,6 +96,32 @@
                       <small class="cr-inline-drop">{{localize "CONFIGURABLE_REACTIONS.Builder.DropSpellOnTrigger"}}</small>
                     {{/if}}
                   {{/if}}
+
+                  {{#if activeTriggerIsDamage}}
+                    <div class="cr-damage-builder">
+                      <small class="cr-chip-label">{{localize "CONFIGURABLE_REACTIONS.Conditions.Damage.SelectedTypes"}}</small>
+                      <div class="cr-chip-list cr-damage-chip-list">
+                        {{#if selectedDamageTypes.length}}
+                          {{#each selectedDamageTypes}}
+                            <span class="cr-chip cr-damage-chip" title="{{this.label}}">
+                              <span>{{this.label}}</span>
+                              <button type="button" data-action="removeDamageType" data-damage-type="{{this.id}}" title="{{localize 'CONFIGURABLE_REACTIONS.Conditions.Damage.RemoveType' type=this.label}}">
+                                <i class="fa-solid fa-xmark"></i>
+                              </button>
+                            </span>
+                          {{/each}}
+                        {{else}}
+                          <small class="cr-inline-drop">{{localize "CONFIGURABLE_REACTIONS.Conditions.Damage.NoTypes"}}</small>
+                        {{/if}}
+                      </div>
+                      <select data-cr-damage-type-select>
+                        <option value="">{{localize "CONFIGURABLE_REACTIONS.Conditions.Damage.SelectPlaceholder"}}</option>
+                        {{#each availableDamageTypes}}
+                          <option value="{{this.id}}">{{this.label}}</option>
+                        {{/each}}
+                      </select>
+                    </div>
+                  {{/if}}
                 </div>
                 {{#if triggerSpellName}}
                   <button type="button" data-action="clearTriggerSpell" title="{{localize 'CONFIGURABLE_REACTIONS.Common.Remove'}}">
@@ -132,11 +155,11 @@
                       {{/if}}
                       {{#if this.isStatusAction}}
                         <div class="cr-status-builder">
-                          <small class="cr-status-label">{{localize "CONFIGURABLE_REACTIONS.Actions.ApplyStatus.SelectedStatuses"}}</small>
-                          <div class="cr-status-chip-list">
+                          <small class="cr-chip-label">{{localize "CONFIGURABLE_REACTIONS.Actions.ApplyStatus.SelectedStatuses"}}</small>
+                          <div class="cr-chip-list cr-status-chip-list">
                             {{#if this.selectedStatuses.length}}
                               {{#each this.selectedStatuses}}
-                                <span class="cr-status-chip" title="{{this.label}}">
+                                <span class="cr-chip cr-status-chip" title="{{this.label}}">
                                   <img src="{{this.icon}}" alt="">
                                   <span>{{this.label}}</span>
                                   <button type="button" data-action="removeActionStatus" data-action-index="{{../index}}" data-status-id="{{this.id}}" title="{{localize 'CONFIGURABLE_REACTIONS.Actions.ApplyStatus.RemoveStatus' status=this.label}}">
@@ -176,23 +199,10 @@
           </div>
         </section>
 
-        <div class="cr-reaction-summary">
-          <h3>{{localize "CONFIGURABLE_REACTIONS.Reactions.JsonPreview"}}</h3>
-          <p><strong>ID:</strong> <code>{{selectedReaction.id}}</code></p>
-          <p><strong>{{localize "CONFIGURABLE_REACTIONS.Trigger.Label"}}:</strong> {{selectedReaction.trigger.type}}</p>
-          <p><strong>{{localize "CONFIGURABLE_REACTIONS.Actions.Title"}}:</strong> {{selectedReaction.actions.length}}</p>
-        </div>
-
-        <div class="form-group stacked">
+        <div class="form-group stacked cr-json-editor">
           <label>{{localize "CONFIGURABLE_REACTIONS.Reactions.JsonEditor"}}</label>
           <textarea name="reactionJson" spellcheck="false">{{selectedReactionJson}}</textarea>
         </div>
-
-        <footer class="cr-footer">
-          <button type="button" data-action="saveReactionJson">
-            <i class="fa-solid fa-floppy-disk"></i> {{localize "CONFIGURABLE_REACTIONS.Common.Save"}}
-          </button>
-        </footer>
       {{else}}
         <p>{{localize "CONFIGURABLE_REACTIONS.Reactions.None"}}</p>
       {{/if}}