diff --git a/daggerheart.mjs b/daggerheart.mjs
index 7e77fbb3..61570b22 100644
--- a/daggerheart.mjs
+++ b/daggerheart.mjs
@@ -72,6 +72,16 @@ Hooks.once('init', () => {
     Actors.registerSheet(SYSTEM.id, applications.DhpAdversarySheet, { types: ['adversary'], makeDefault: true });
     Actors.registerSheet(SYSTEM.id, applications.DhpEnvironment, { types: ['environment'], makeDefault: true });
 
+    CONFIG.ActiveEffect.documentClass = documents.DhActiveEffect;
+    DocumentSheetConfig.unregisterSheet(
+        CONFIG.ActiveEffect.documentClass,
+        'core',
+        foundry.applications.sheets.ActiveEffectConfig
+    );
+    DocumentSheetConfig.registerSheet(CONFIG.ActiveEffect.documentClass, SYSTEM.id, applications.DhActiveEffectConfig, {
+        makeDefault: true
+    });
+
     CONFIG.Combat.dataModels = {
         base: models.DhCombat
     };
diff --git a/module/applications/_module.mjs b/module/applications/_module.mjs
index 5c031db0..7eeeab61 100644
--- a/module/applications/_module.mjs
+++ b/module/applications/_module.mjs
@@ -12,3 +12,4 @@ export { default as DhpWeapon } from './sheets/items/weapon.mjs';
 export { default as DhpArmor } from './sheets/items/armor.mjs';
 export { default as DhpChatMessage } from './chatMessage.mjs';
 export { default as DhpEnvironment } from './sheets/environment.mjs';
+export { default as DhActiveEffectConfig } from './sheets/activeEffectConfig.mjs';
diff --git a/module/applications/sheets/activeEffectConfig.mjs b/module/applications/sheets/activeEffectConfig.mjs
new file mode 100644
index 00000000..585086a1
--- /dev/null
+++ b/module/applications/sheets/activeEffectConfig.mjs
@@ -0,0 +1,62 @@
+export default class DhActiveEffectConfig extends ActiveEffectConfig {
+    static DEFAULT_OPTIONS = {
+        classes: ['daggerheart', 'sheet', 'dh-style']
+    };
+
+    static PARTS = {
+        header: { template: 'systems/daggerheart/templates/sheets/activeEffect/header.hbs' },
+        tabs: { template: 'templates/generic/tab-navigation.hbs' },
+        details: { template: 'systems/daggerheart/templates/sheets/activeEffect/details.hbs', scrollable: [''] },
+        duration: { template: 'systems/daggerheart/templates/sheets/activeEffect/duration.hbs' },
+        changes: {
+            template: 'systems/daggerheart/templates/sheets/activeEffect/changes.hbs',
+            scrollable: ['ol[data-changes]']
+        },
+        footer: { template: 'systems/daggerheart/templates/sheets/global/tabs/tab-form-footer.hbs' }
+    };
+
+    static TABS = {
+        sheet: {
+            tabs: [
+                { id: 'details', icon: 'fa-solid fa-book' },
+                { id: 'duration', icon: 'fa-solid fa-clock' },
+                { id: 'changes', icon: 'fa-solid fa-gears' }
+            ],
+            initial: 'details',
+            labelPrefix: 'EFFECT.TABS'
+        }
+    };
+
+    async _preparePartContext(partId, context) {
+        const partContext = await super._preparePartContext(partId, context);
+        switch (partId) {
+            case 'changes':
+                const fieldPaths = [];
+                const validFieldPath = fieldPath => this.validFieldPath(fieldPath, this.#unapplicablePaths);
+                context.document.parent.system.schema.apply(function () {
+                    if (!(this instanceof foundry.data.fields.SchemaField)) {
+                        if (validFieldPath(this.fieldPath)) {
+                            fieldPaths.push(this.fieldPath);
+                        }
+                    }
+                });
+
+                context.fieldPaths = fieldPaths;
+
+                break;
+        }
+
+        return partContext;
+    }
+
+    #unapplicablePaths = ['story', 'pronouns', 'description'];
+    validFieldPath(fieldPath, unapplicablePaths) {
+        const splitPath = fieldPath.split('.');
+        if (splitPath.length > 1 && unapplicablePaths.includes(splitPath[1])) return false;
+
+        /* The current value of a resource should not be modified */
+        if (new RegExp(/resources.*\.value/).exec(fieldPath)) return false;
+
+        return true;
+    }
+}
diff --git a/module/documents/_module.mjs b/module/documents/_module.mjs
index f374372d..03237ee5 100644
--- a/module/documents/_module.mjs
+++ b/module/documents/_module.mjs
@@ -1,3 +1,4 @@
 export { default as DhpActor } from './actor.mjs';
 export { default as DhpItem } from './item.mjs';
 export { default as DhpCombat } from './combat.mjs';
+export { default as DhActiveEffect } from './activeEffect.mjs';
diff --git a/module/documents/activeEffect.mjs b/module/documents/activeEffect.mjs
new file mode 100644
index 00000000..d6671501
--- /dev/null
+++ b/module/documents/activeEffect.mjs
@@ -0,0 +1,14 @@
+export default class DhActiveEffect extends ActiveEffect {
+    async _preCreate(data, options, user) {
+        const update = {};
+        if (!data.img) {
+            update.img = 'icons/magic/life/heart-cross-blue.webp';
+        }
+
+        if (Object.keys(update).length > 0) {
+            await this.updateSource(update);
+        }
+
+        await super._preCreate(data, options, user);
+    }
+}
diff --git a/styles/daggerheart.css b/styles/daggerheart.css
index 63c4266f..2a18d877 100755
--- a/styles/daggerheart.css
+++ b/styles/daggerheart.css
@@ -2593,6 +2593,9 @@ div.daggerheart.views.multiclass {
   width: 40px;
   background: white;
 }
+.application.sheet.daggerheart.dh-style.active-effect-config label {
+  white-space: nowrap;
+}
 .daggerheart.sheet .title-container {
   display: flex;
   gap: 8px;
@@ -3385,6 +3388,14 @@ div.daggerheart.views.multiclass {
   font-weight: bold;
   font-size: smaller;
 }
+.application.sheet.dh-style .two-columns {
+  display: grid;
+  grid-template-columns: 1fr 2fr;
+  gap: 10px;
+}
+.application.sheet.dh-style .two-columns.even {
+  grid-template-columns: 1fr 1fr;
+}
 .application.sheet.dh-style line-div {
   display: block;
   height: 1px;
@@ -3592,6 +3603,16 @@ div.daggerheart.views.multiclass {
   text-shadow: none;
   font-family: 'Montserrat', sans-serif;
 }
+.sheet.daggerheart.dh-style .tab-form-footer {
+  display: flex;
+  padding: 0 10px;
+  position: relative;
+  bottom: -32px;
+}
+.sheet.daggerheart.dh-style .tab-form-footer button {
+  flex: 1;
+  border-width: 2px;
+}
 .sheet.daggerheart.dh-style .tab.actions .actions-list {
   display: flex;
   flex-direction: column;
diff --git a/styles/daggerheart.less b/styles/daggerheart.less
index 6869e316..09d58666 100755
--- a/styles/daggerheart.less
+++ b/styles/daggerheart.less
@@ -23,6 +23,7 @@
 @import './less/global/sheet.less';
 @import './less/global/elements.less';
 @import './less/global/tab-navigation.less';
+@import './less/global/tab-form-footer.less';
 @import './less/global/tab-actions.less';
 @import './less/global/item-header.less';
 @import './less/global/feature-section.less';
diff --git a/styles/less/global/elements.less b/styles/less/global/elements.less
index 077d2226..e1b7f88a 100755
--- a/styles/less/global/elements.less
+++ b/styles/less/global/elements.less
@@ -143,6 +143,16 @@
         }
     }
 
+    .two-columns {
+        display: grid;
+        grid-template-columns: 1fr 2fr;
+        gap: 10px;
+
+        &.even {
+            grid-template-columns: 1fr 1fr;
+        }
+    }
+
     line-div {
         display: block;
         height: 1px;
diff --git a/styles/less/global/tab-form-footer.less b/styles/less/global/tab-form-footer.less
new file mode 100644
index 00000000..3607d463
--- /dev/null
+++ b/styles/less/global/tab-form-footer.less
@@ -0,0 +1,13 @@
+.sheet.daggerheart.dh-style {
+    .tab-form-footer {
+        display: flex;
+        padding: 0 10px;
+        position: relative;
+        bottom: -32px;
+
+        button {
+            flex: 1;
+            border-width: 2px;
+        }
+    }
+}
diff --git a/styles/sheets/activeEffect.less b/styles/sheets/activeEffect.less
new file mode 100644
index 00000000..86a29244
--- /dev/null
+++ b/styles/sheets/activeEffect.less
@@ -0,0 +1,5 @@
+.application.sheet.daggerheart.dh-style.active-effect-config {
+    label {
+        white-space: nowrap;
+    }
+}
diff --git a/styles/sheets/sheets.less b/styles/sheets/sheets.less
index 19c76980..ba784225 100644
--- a/styles/sheets/sheets.less
+++ b/styles/sheets/sheets.less
@@ -1,6 +1,7 @@
 @import './heritage.less';
 @import './class.less';
 @import './adversary.less';
+@import './activeEffect.less';
 
 .daggerheart.sheet {
     .title-container {
diff --git a/templates/sheets/activeEffect/changes.hbs b/templates/sheets/activeEffect/changes.hbs
new file mode 100644
index 00000000..c1047206
--- /dev/null
+++ b/templates/sheets/activeEffect/changes.hbs
@@ -0,0 +1,36 @@
+<section class="tab changes{{#if tab.active}} active{{/if}}" data-group="{{tab.group}}" data-tab="{{tab.id}}">
+    <header>
+        <div class="key">{{localize "EFFECT.ChangeKey"}}</div>
+        <div class="mode">{{localize "EFFECT.ChangeMode"}}</div>
+        <div class="value">{{localize "EFFECT.ChangeValue"}}</div>
+        <div class="priority">{{localize "EFFECT.ChangePriority"}}</div>
+        <div class="controls"><a data-action="addChange"><i class="fa-regular fa-square-plus"></i></a></div>
+    </header>
+    <ol class="scrollable" data-changes>
+        {{#each source.changes as |change i|}}
+        {{#with ../fields.changes.element.fields as |changeFields|}}
+            <li data-index="{{i}}">
+                <div class="key">
+                    <input type="text" name="{{concat "changes." i ".key"}}" value="{{change.key}}" list="change-fields" />
+                    <datalist id="change-fields">
+                        {{#each @root.fieldPaths}}
+                            <option value="{{this}}">{{this}}</option>
+                        {{/each}}
+                    </datalist>
+                </div>
+                <div class="mode">
+                    {{formInput changeFields.mode name=(concat "changes." i ".mode") value=change.mode choices=@root.modes}}
+                </div>
+                <div class="value">
+                    {{formInput changeFields.value name=(concat "changes." i ".value") value=change.value}}
+                </div>
+                <div class="priority">
+                    {{formInput changeFields.priority name=(concat "changes." i ".priority") value=change.priority
+                        placeholder=(lookup ../../priorities change.mode)}}
+                </div>
+                <div class="controls"><a data-action="deleteChange"><i class="fa-solid fa-trash"></i></a></div>
+            </li>
+        {{/with}}
+        {{/each}}
+    </ol>
+</section>
\ No newline at end of file
diff --git a/templates/sheets/activeEffect/details.hbs b/templates/sheets/activeEffect/details.hbs
new file mode 100644
index 00000000..8ff72b98
--- /dev/null
+++ b/templates/sheets/activeEffect/details.hbs
@@ -0,0 +1,14 @@
+<section class="tab scrollable{{#if tab.active}} active{{/if}}" data-group="{{tab.group}}" data-tab="{{tab.id}}">
+    {{formGroup fields.tint value=source.tint rootId=rootId placeholder="#ffffff"}}
+    {{formGroup fields.description value=source.description rootId=rootId}}
+    {{formGroup fields.disabled value=source.disabled rootId=rootId}}
+
+    {{#if isActorEffect}}
+    {{formGroup fields.origin value=source.origin rootId=rootId disabled=true}}
+    {{/if}}
+    {{#if isItemEffect}}
+    {{formGroup fields.transfer value=source.transfer rootId=rootId label=legacyTransfer.label hint=legacyTransfer.hint}}
+    {{/if}}
+
+    {{formGroup fields.statuses value=source.statuses options=statuses rootId=rootId classes="statuses"}}
+</section>
diff --git a/templates/sheets/activeEffect/duration.hbs b/templates/sheets/activeEffect/duration.hbs
new file mode 100644
index 00000000..824439e6
--- /dev/null
+++ b/templates/sheets/activeEffect/duration.hbs
@@ -0,0 +1,31 @@
+<section class="tab{{#if tab.active}} active{{/if}}" data-group="{{tab.group}}" data-tab="{{tab.id}}">
+    <fieldset class="one-column">
+        {{formGroup fields.duration.fields.seconds value=source.duration.seconds rootId=rootId}}
+        {{formGroup fields.duration.fields.startTime value=source.duration.startTime rootId=rootId}}
+    </fieldset>
+
+    <fieldset class="one-column">
+        <div class="form-group">
+            <label>{{localize "EFFECT.DurationTurns"}}</label>
+            <div class="form-fields">
+                <label for="{{rootId}}-duration.rounds">{{localize "EFFECT.FIELDS.duration.rounds.label"}}</label>
+                {{formInput fields.duration.fields.rounds value=source.duration.rounds
+                    id=(concat rootId "-duration.rounds")}}
+                <label for="{{rootId}}-duration.turns">{{localize "EFFECT.FIELDS.duration.turns.label"}}</label>
+                {{formInput fields.duration.fields.turns value=source.duration.turns
+                    id=(concat rootId "-duration.turns")}}
+            </div>
+        </div>
+        <div class="form-group">
+            <label>{{localize "EFFECT.StartTurns"}}</label>
+            <div class="form-fields">
+                <label for="{{rootId}}-duration.startRound">{{localize "EFFECT.FIELDS.duration.startRound.label"}}</label>
+                {{formInput fields.duration.fields.startRound value=source.duration.startRound
+                    id=(concat rootId "-duration.startRound")}}
+                <label for="{{rootId}}-duration.startTurn">{{localize "EFFECT.FIELDS.duration.startTurn.label"}}</label>
+                {{formInput fields.duration.fields.startTurn value=source.duration.startTurn
+                    id=(concat rootId "-duration.startTurn")}}
+            </div>
+        </div>
+    </fieldset>
+</section>
diff --git a/templates/sheets/activeEffect/header.hbs b/templates/sheets/activeEffect/header.hbs
new file mode 100644
index 00000000..ce64c0b0
--- /dev/null
+++ b/templates/sheets/activeEffect/header.hbs
@@ -0,0 +1,7 @@
+<header class='item-sheet-header'>
+    <img class='profile' src="{{source.img}}" data-action="editImage" data-edit="img" alt="{{localize "EFFECT.FIELDS.img.label"}}">
+    <div class='item-info'>
+        <h1 class='item-name'><input name="name" type="text" value="{{source.name}}" placeholder="{{localize "EFFECT.FIELDS.name.label"}}"
+        aria-label="{{localize "EFFECT.FIELDS.name.label"}}"></h1>
+    </div>
+</header>
\ No newline at end of file
diff --git a/templates/sheets/global/tabs/tab-form-footer.hbs b/templates/sheets/global/tabs/tab-form-footer.hbs
new file mode 100644
index 00000000..96babf82
--- /dev/null
+++ b/templates/sheets/global/tabs/tab-form-footer.hbs
@@ -0,0 +1,3 @@
+<section class='tab-form-footer'>
+    <button type="submit"><i class="fa-solid fa-floppy-disk"></i> {{localize "Save"}}</button>
+</section>
\ No newline at end of file