EastScape Wikibuilt from the game itself

The Head Librarian

Level 96 · Boss · attacks on sight.

On this page: Combat · At each depth · Found in

Combat

HitpointsAttackDefenceMax hitAttacks every
38,0001161282602.5s

Resists: Melee 0% · Archery 0% · Magic 0%

Hits with: 🧪 Poison: the hit, then 40% more over 3 seconds. Gear that resists it takes that share off.

Traits: Frenzied (under 30% health it attacks half again as fast)

Bring: any style, poison resistance, food: it hits for up to 260. Comes for you from 3 tiles.

At each depth

DepthLevelHitpointsMax hitTickets
The Flooded Stacks9638,000260—
The Drowned Reading Room10343,700290—
The Abyssal Archive10957,500300—

Drops whose chance changes with the depth (the table above is the first depth's):

ItemThe Flooded StacksThe Drowned Reading RoomThe Abyssal Archive
Nova core——0.1%
Singularity core——0.1%
Cooked glassperch——4%
Koi and cinderroot hash——2%
Woodcutting potion V——2%
Singularity amulet——2%
Cut sapphire——2%

Found in

The Sunken Library (The Flooded Stacks), a party dungeon.

Comes back: never, inside a run.