Ender Goo

Ender Goo
Name	Ender Goo
Source Mod	Hardcore Ender Expansion
ID Name	Unknown
First Appearance	pre1.2 for MC 1.6.4
Type	Fluid
Stackable	Yes (64)
Solid	Yes
Transparent	No
Affected by Gravity	Water-like liquid
Emits Light	No
Flammable	No
Required Tool	Unknown

Ender Goo is a liquid added by the Hardcore Ender Expansion mod. It generates randomly in puddles in the End. The liquid is fairly toxic to players, but its effects are not long lasting. It generates the Weakness II and Mining Fatigue II effects for only zero seconds, this means that the effects wear off as soon as the player is no longer in contact with the liquid. The Poison II effect will last slightly longer at five seconds.

Thaumcraft 4 research aspects in this liquid

 

Mechanics

Ender Goo can flow 5 blocks away from the source block at a speed of 1 block per second. When in contact with Water, Ender Goo tries to consume it. This process usually results in the victory of Ender Goo if this is happening in the End dimension, in the Overworld water is mostly unaffected. If source blocks of both liquids are untouched, this might result in constant liquid "fight", increasing the CPU load.

Ender Goo vs Water
The .gif demonstrates Ender Goo interacting with Water in the Overworld.