This directory includes the four boss defeats named by official Steam achievements. Biome placement is shown only where a cited source supports it, and story details stay behind clear spoiler framing.
Spoiler warning: boss names and related achievement titles appear below. Story outcomes and hidden achievement requirements are not revealed.
Curator is The Gallery boss tied to Forced Shutdown; community fight notes cover rotating lasers, reflected explosives, security bots, and the final combined phase.
Senda waits at the end of Aeolia's Zephyr Fields; community fight notes cover wind projectiles, purple-fan reflects, vortices, rings, and the second-phase tracking hazard.
Tyke is the flying Treasury Halls boss tied to Dismissal Letter; community fight notes cover explosive patterns, portal lasers, reflected purple shots, and changing platform layouts.
Prince Monte is the Harrowing Heights boss tied to Sweet Petrichor; community fight notes cover falling weapons, dive attacks, chase sections, shield breaks, and a projectile-heavy finale.
Steam's official statistics page for the 56 achievement names, public descriptions, hidden status, icons, and global unlock percentages. Percentages change over time.
Community Early Access walkthrough used for the Curator's location, phase outline, attack cues, backpack-reflect mechanic, and add phase. Combat details may change.
Community Early Access walkthrough used for Senda's location, phase outline, attack cues, backpack-reflect mechanic, and reported rewards. Route and balance details may change.