Echoya Archive - The Binding of Isaac

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Echoya Archive is an active item in Glacier's Laboratory, a mod for The Binding of Isaac.

While heldEntering uncleared rooms spawns one of the following familiars for the current room:
Robo-Baby
Robo-Baby 2.0
Spider Mod
Bot Fly

On useSpawns one of the following item as an item wisp, but they can only take 1 hit:
Technology
Technology 2
Tech.5
Tech X
Technology Zero

This item contributes towards the Bookworm transformation. Collecting 3 items from this set will make Isaac fire an extra tear 25% of the time.

Echoya Archive can be found in the following item pools:

Name	Weight
Treasure Room	1.0/1.0

The following tags are applied to this item:

Id	Description
book	Contributes towards the Bookworm transformation.
tech	Contributes towards unlocking Technology Zero.
offensive	Can appear for Tainted Lost.

The following special synergies and interactions for Echoya Archive have been documented.

Mod	Item	Synergy
---	Book of Virtues	Spawns a blue drone wisp in the outer ring, which has 5 HP and cannot shoot. If a drone wisp is destroyed, destroy every other drone wisps and shoots a blue tech laser toward nearest enemy for each blue drone wisp destroyed. Each laser deals Isaac's damage per tick.
---	The Book of Belial combined with Judas' Birthright	Overrides Book of Virtues' effects. Spawns a pink drone wisp in the outer ring, which has 3 HP and cannot shoot. If a drone wisp is destroyed, destroy every other drone wisps and shoots a pink brimstone tech toward nearest enemy for each pink drone wisp destroyed. Each laser deals Isaac's damage per tick.

* Note that not all possible synergies and interactions are listed here.