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NieR: Automata - Mysterious Letter Guide

by Eleanor Feb 22,2025

NieR: Automata's 3C3C1D119440927 DLC unlocks three challenging Colosseums after receiving a mysterious letter. This guide details their locations and Rank S rewards.

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Trial of the Sand Colosseum
Gambler's Colosseum
Underground Colosseum

The DLC introduces optional content and cosmetic rewards. Each Colosseum features six ranks with progressively difficult enemies.

Trial of the Sand Colosseum

Located in the desert. From the "Desert: Center" access point, look right for an orange diamond-shaped structure. A machine guards the entrance, but poses no threat. Completing Rank S rewards the Destroyer Outfit (A2).

Gambler's Colosseum

Accessible from the "Flooded City: Coast" access point. Follow the path to the coast (the route to the resource ship). At the end, locate a waterfall. Circle around the building to the left to find a Resistance member guarding the entrance. A 1000G bribe unlocks access to the Gambler's Colosseum quest. Rank S completion grants the Revealing Outfit (2B).

Underground Colosseum

9S ONLY. Start at the "Forest Zone: Center" access point. Follow the left edge of the forest to a group of training machines near a large waterfall. Pass through the waterfall to access the Underground Colosseum (only accessible as 9S). The Young Man's Outfit (9S) is the Rank S reward.

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