# Infinity Castle — Anime Apocalypse Map > Inspired by **Demon Slayer — Muzan's Infinity Castle (Final Battle arc)**. **Credibility:** tier_1_trello **As of:** 2026-05-14 ## Mechanics & mode Raid Mode arena (Raid 1 of 3). Drops Raid Coins (used at Raid Shop for trait spins, lucky spins, cosmetics, abilities). Boss roster, phase structure, and drop tables for this specific arena are NOT enumerated in any source as of 2026-05-13. ## Unlock condition Accessible via Raid Mode lobby once the player has cleared the prerequisite normal-dungeon progression. Exact unlock pre-requisite (level / quest gate) is NOT stated in any source as of 2026-05-13. *Credibility:* needs_check ## Notes **Infinity Castle** is the first of three Raid Mode arenas in Anime Apocalypse, themed after Muzan's labyrinthine palace from the Demon Slayer Final Battle arc. The map is named in the official **Trello "About Raid" card** (`w3KsrWKJ`) which is mirrored from the developer's Discord channel — making the map name itself Tier 1 / Discord-attested. **Mode pairing**: Raid only. Infinity Castle is not in the rotation for Survival, Infinite, or Titan Defense modes per the Trello roster. **Reward economy**: Raid completions drop **Raid Coins** which are spent at the **Raid Shop** for trait spins, lucky spins, cosmetics, and abilities. The exact drop rates and the specific boss roster for the Infinity Castle arena are **not enumerated** in any current source — both Trello and Pro Game Guides describe Raid Mode at the system level rather than per-arena. **Recommended build**: The site's [Reaper Burst Build](/modes/raid/) (Spin · Head of Hei · Akaza · Coyote with Reaper trait, Battle Suit + Rage gadget) is the recommended Raid Mode loadout — applicable across all three raid arenas including Infinity Castle. **Why we flag this entry as `verified_single_source`**: The map *name* and the *fact* that it is one of three raid arenas come from Trello (Tier 1). Aggregator coverage of Infinity Castle as a standalone arena is currently absent — Beebom, PGG, BloxInsider, and FFBooyah all describe Raid Mode generically without naming the three arenas. Once a Discord screenshot, FAQ post, or aggregator deep-dive surfaces details on the boss roster or unlock gate, this page will be promoted to `verified` and the gaps filled. ## Raid Mode economics that apply to Infinity Castle Per the Trello "About Raid" card (`w3KsrWKJ`), the system-level rules that govern Infinity Castle along with the other two arenas: - **Co-op size**: 1-6 players per raid - **Boss HP scaling**: boss HP scales with party size, which is why endgame players generally prefer solo runs for faster farming - **Ticket cost**: the first three raids in the rotation cost **1 ticket each**, and later raids (4/5) cost **5 tickets each** — Infinity Castle as "Raid 1 of 3" sits in the 1-ticket bracket - **Coin reward**: **31-76 raid coins per boss kill**, spent at the Raid Shop for trait spins, lucky spins, cosmetics, and abilities These are the **only public per-raid economic numbers** in either Tier 1 (Discord / Trello) or Tier 2 (aggregator) sources as of 2026-05-13; per-arena drop tables and the specific Infinity Castle boss roster are still unenumerated. ## Relationship to the third raid arena (Western Land) The three Trello-named raid arenas are **Infinity Castle**, **Shadow Garden**, and **Western Land**. PGG's SBR+AOT update guide describes a "Wild West Raid" with a boss named "Gairo" at ~55K HP — `docs/06-maps.md` §3 marks this as the proposed cross-doc match for Western Land (cross-doc naming reconciliation pending Discord arbitration). Infinity Castle and Shadow Garden have **no equivalent aggregator deep-dive**; only their Trello-attested names exist, which is why this page stays at `verified_single_source` while a Tier 2 article on Western Land / Wild West Raid already exists. ## Aesthetic & atmosphere Per `docs/06-maps.md` §2.5, Infinity Castle is the Demon Slayer reference of the raid roster, themed after Muzan's labyrinthine palace from the Final Battle arc. According to `docs/06-maps.md` §1.2.3, the official Trello "About Raid" card names this arena as the **first of three raids** in the rotation. Per `docs/06-maps.md` §2.5, this IP-recognition level is rated "very high" — the Infinity Castle visual is one of the most recognizable Demon Slayer locations, which is part of the cross-fandom SEO surface this page is designed to capture. ## Mode mechanics Per `docs/06-maps.md` §1.2.3, Raid mode is a **boss fight** played in a 1-6 player co-op format. According to the same section, the boss HP scales with party size — endgame players prefer solo runs for faster farming. Per the same Trello "About Raid" card, the first three raids each cost 1 ticket; later raids (4 and 5) cost 5 tickets each. Per `docs/06-maps.md` §1.2.3, raid kills pay out **31-76 raid coins per kill**, redeemable at the Raid Shop for cosmetics, titles, abilities, and lucky spin rewards. According to `docs/06-maps.md` §4 (Data Gap-list), the specific boss name, phase count, and per-arena drop table for Infinity Castle are **not enumerated in any source** — the public per-raid numbers stop at the system-level economics. ## Why farm here Per `docs/06-maps.md` §1.2.3, the documented raid drop table is generic across all three arenas: **cosmetics, titles, abilities, lucky spin rewards** plus 31-76 raid coins per kill. According to `docs/06-maps.md` §4, no source enumerates which specific raid drops which reward — meaning the choice between Infinity Castle, Shadow Garden, and Western Land is **not currently optimisable from drop tables**. Per `docs/06-maps.md` §1.2.3, raid coins are the load-bearing reward; the practical farm motive for Infinity Castle is the 1-ticket entry cost (raids 1-3 sit in this bracket) combined with solo-run boss-HP scaling for faster clears. Per the same section, the Raid Shop is where coins convert into trait spins, lucky spins, cosmetics, and abilities. ## Synergies & comparison Per `docs/06-maps.md` §2.4 (map-mode pairing matrix), Infinity Castle sits exclusively in the Raid Mode rotation alongside [Shadow Garden](/maps/shadow-garden/) and Western Land — none of these arenas overlap with the Survival/Infinite maps ([Shibuya](/maps/shibuya/), [Impel Down](/maps/impel-down/)) or with [Trost](/maps/trost/)'s Titan Defense mode. According to `docs/06-maps.md` §1.2.3, all three raid arenas share the same 1-ticket entry cost (as raids 1-3 in the rotation), the same 31-76 raid coin payout, and the same 1-6 player co-op structure — the choice between arenas reduces to IP preference and any per-boss difficulty curve that surfaces in future sources. For trait pairing, [Reaper](/traits/reaper/) is the consensus best Raid trait per `docs/06-maps.md` §6 cross-doc links (verified across `docs/04-tier-list.md` and the Reaper trait page), which is why the site's Reaper Burst Build linked above is recommended across all three arenas including Infinity Castle. ## Sources - https://trello.com/c/w3KsrWKJ --- Source page: https://animeapocalypse.net/maps/infinity-castle/