Sanctum raids (week lockout, 8–16): the Seal-gated best-in-slot source; three difficulties (Read / Struck / Unwritten).
Depth bosses (dungeon ends): scale with Depth key; the Depth Atlas (PoE atlas): keys map into a per-floor lattice; completing regions of the atlas grants permanent Depth modifiers (breadth).
Timed Bosses (time-limited): at Vesper, one floor per stratum spawns a boss for one hour, announced in the Ledger; first kill in the Ledger; parts for a week recipe.
Trial bosses (skill): the Elder Tree, the Leviathan, the Master Forge, the Great Feast (bible §4).
Hold bosses: guilds build Wrought (Siegecraft + Building constructs) to defend Holds; a Wrought is a boss other guilds fight in sieges; player-made bosses with player-authored Intents from a closed primitive list.
Named (SYS-22) and Hunts.
Your Draft (personal, Marginalia): the Quill's earlier draft of you — your own character state from N floors ago, loaded from the event log, with your old deck and Script — wrong in small ways. Beating it grants nothing but a Achievement and a line in the Ledger; losing to it costs nothing; people talk about it for years.
Rivals: a player-declared rival (both consent) gets a Ledger record of duels; Marginalia may write a quest for the pair.
Boss variants: every boss exists as Read (normal), Struck (an Erratum has touched it: chaotic extra Intent, Struck drops), and Unwritten (mechanics from the Quill's register: Riddle checks, Lore-gated tells).
Generated from the game's own rules and tables by the Wiki agent. If the wiki and the game disagree, the wiki is out of date, not wrong.