diff --git a/src/partials/freerun.ts b/src/partials/freerun.ts
new file mode 100644
index 0000000..8e329be
--- /dev/null
+++ b/src/partials/freerun.ts
@@ -0,0 +1,25 @@
+import { $item, $skill, AsdonMartin, get, have, Macro } from "libram";
+import { Task } from "../task";
+
+export type FreeRun = { macro: Macro }; 
+export const BowlingBall: Omit<Task, "do"> & FreeRun = {
+  name: "Bowling Ball Run",
+  ready: () => get("cosmicBowlingBallReturnCombats") < 1 && get("hasCosmicBowlingBall"),
+  completed: () => false,
+  macro: Macro.trySkill($skill`Bowl a Curveball`),
+};
+
+export const AsdonBumper: Omit<Task, "do"> & FreeRun = {
+  name: "Asdon Bumper",
+  ready: () => AsdonMartin.installed(),
+  completed: () => get("banishedMonsters").includes("Spring-Loaded Front Bumper"),
+  macro: Macro.skill($skill`Asdon Martin: Spring-Loaded Front Bumper`),
+  prepare: () => AsdonMartin.fillTo(50),
+};
+
+export const Scrapbook: Omit<Task, "do"> & FreeRun = {
+  name: "Familiar Scrapbook",
+  ready: () => have($item`familiar scrapbook`) && get("scrapbookCharges") > 40,
+  completed: () => get("scrapbookCharges") < 40,
+  macro: Macro.skill($skill`Show Your Boring Familiar Pictures`),
+}
\ No newline at end of file
diff --git a/src/partials/index.ts b/src/partials/index.ts
new file mode 100644
index 0000000..aa515a4
--- /dev/null
+++ b/src/partials/index.ts
@@ -0,0 +1,128 @@
+import { Outfit } from "../outfit";
+import { Task, TaskRequiredProperties } from "../task";
+
+class TaskPartialError extends Error {}
+
+function validate<Z extends string>(task: Partial<Task<Z>>): Task {
+  const missing = TaskRequiredProperties.filter((p) => task[p] === undefined);
+  if (missing.length > 0) {
+    throw new TaskPartialError(`Missing properties on task: ${missing.join(",")}`);
+  }
+  return task as Task;
+}
+
+function combinef<Z extends string>(
+  a: Partial<Task<Z>>,
+  b: Partial<Task<Z>>,
+  c: "prepare" | "post"
+): () => void {
+  const afun = a[c] ?? (() => true);
+  const bfun = b[c] ?? (() => true);
+  return () => {
+    afun();
+    bfun();
+  };
+}
+
+export function extend<T extends Partial<Task<Z>>, S extends keyof T, Z extends string>(
+  base: T,
+  options: Omit<Task, S> & Partial<Pick<T, S>>
+): Task<Z> {
+  const opt = options as Partial<Task<Z>>;
+  const merge: Partial<Task<Z>>[] = [
+    {
+      name: opt.name ?? base.name,
+      completed: () => (opt.completed ?? (() => false))() || (base.completed ?? (() => false))(),
+    },
+  ];
+  if (typeof opt.do === "function" && typeof base.do === "function") {
+    const a = opt.do;
+    const b = base.do;
+    merge.push({
+      do: () => {
+        a();
+        b();
+      },
+    });
+  } else {
+    merge.push({
+      do: opt.do ?? base.do,
+    });
+  }
+  if ("ready" in opt || "ready" in base) {
+    merge.push({
+      ready: () =>
+        (typeof opt.ready === "function" ? opt.ready() : opt.ready ?? true) &&
+        (typeof base.ready === "function" ? base.ready() : base.ready ?? true),
+    });
+  }
+  if ("prepare" in opt || "prepare" in base) {
+    merge.push({
+      prepare: combinef(opt, base, "prepare"),
+    });
+  }
+  if ("post" in opt || "post" in base) {
+    merge.push({
+      prepare: combinef(opt, base, "post"),
+    });
+  }
+  if ("acquire" in opt || "acquire" in base) {
+    merge.push({
+      acquire: () => [
+        ...(typeof opt.acquire === "function" ? opt.acquire() : [...(opt.acquire ?? [])]),
+        ...(typeof base.acquire === "function" ? base.acquire() : [...(base.acquire ?? [])]),
+      ],
+    });
+  }
+  if ("effects" in opt || "effects" in base) {
+    merge.push({
+      effects: () => [
+        ...(typeof opt.effects === "function" ? opt.effects() : [...(opt.effects ?? [])]),
+        ...(typeof base.effects === "function" ? base.effects() : [...(base.effects ?? [])]),
+      ],
+    });
+  }
+  if ("choices" in opt || "choices" in base) {
+    merge.push({
+      choices: { ...(base.choices ?? {}), ...(opt.choices ?? {}) },
+    });
+  }
+  if ("limit" in opt || "limit" in base) {
+    merge.push({
+      limit: { ...(base.limit ?? {}), ...(opt.limit ?? {}) },
+    });
+  }
+  if ("outfit" in opt || "outfit" in base) {
+    const afun =
+      typeof opt.outfit === "function"
+        ? opt.outfit
+        : () => (opt.outfit instanceof Outfit ? opt.outfit.spec() : opt.outfit ?? {});
+    const bfun =
+      typeof base.outfit === "function"
+        ? base.outfit
+        : () => (base.outfit instanceof Outfit ? base.outfit.spec() : base.outfit ?? {});
+    merge.push({
+      outfit: () => {
+        return {
+          ...afun(),
+          ...bfun(),
+        };
+      },
+    });
+  }
+  if ("combat" in opt || "combat" in base) {
+    const task: Partial<Task<Z>> = {
+      combat: opt.combat ?? base.combat,
+    };
+    merge.push(task);
+  }
+  return validate(
+    merge.reduce((p, a) => {
+      return { ...a, ...p };
+    })
+  );
+}
+
+export function override(base: Partial<Task>, options: Partial<Task>): Task {
+  return validate({ ...base, ...options });
+}
\ No newline at end of file
diff --git a/src/partials/wanderers.ts b/src/partials/wanderers.ts
new file mode 100644
index 0000000..2a92a27
--- /dev/null
+++ b/src/partials/wanderers.ts
@@ -0,0 +1,34 @@
+import { adv1 } from "kolmafia";
+import { $item, get, have } from "libram";
+import { Task } from "../task";
+
+export const ProtonGhost: Task = {
+  name: "Proton Ghost",
+  ready: () => {
+    const location = get("ghostLocation");
+    if (location) {
+      return (
+        have($item`protonic accelerator pack`) &&
+        get("questPAGhost") !== "unstarted" &&
+        !!get("ghostLocation")
+      );
+    }
+    return false;
+  },
+  completed: () => get("questPAGhost") === "unstarted",
+  do: (): void => {
+    const location = get("ghostLocation");
+    if (location) {
+      adv1(location, 0, "");
+    } else {
+      throw "Could not determine Proton Ghost location!";
+    }
+  },
+};
+
+export const VoidMonster: Omit<Task, "do"> = {
+  name: "Void Monster",
+  ready: () => have($item`cursed magnifying glass`) && get("cursedMagnifyingGlassCount") === 13,
+  completed: () => get("_voidFreeFights") >= 5,
+  outfit: { offhand: $item`cursed magnifying glass` },
+};
diff --git a/src/task.ts b/src/task.ts
index e2262f1..ef9db37 100644
--- a/src/task.ts
+++ b/src/task.ts
@@ -20,6 +20,8 @@ export type AcquireItem = {
   get?: () => void;
 };
 
+export const TaskRequiredProperties = ["completed", "do", "name"] as const;
+
 export type Task<A extends string = never> = {
   name: string;
   after?: string[];