Placeables & furniture Common

Mold Blockカビのブロック

A pungent piece of mold.
In-game description

Mold Block spawn chances

During a spawn event, each tile of this floor spawns the following with these chances (how many tiles to lay and the chances of other floors).

Infected Caveling: 10% (max per event: 4, minimum 4 tiles)
Mold Tentacle: 0.5% (max per event: 1, minimum 6 tiles)

What is Mold Block? Features and uses

Mold Block is a common item in Core Keeper (Placeables & furniture). It is an ingredient in 1 recipe.

Mold Block mechanics (checked against the game data)

Infected Cavelings and Mold Tentacles respawn on mold block ground, with no biome requirement.

Written by this site from values in the game files (1.3.0.6 prefabs and configuration files).

Mold Block notes

Tilled mold blocks can be used to grow Puffungi Seeds.
It does not protect you from the mold infection, though.
Standing on mold ground without mold immunity gives you the mold infection debuff.
Each stack slows you by 7%, up to 10 stacks for a 70% slowdown.

These notes cover behavior that the game files do not show directly. They are based on facts from the Core Keeper Wiki (Fandom) page "Mold Block" (CC BY-SA 3.0), rewritten in this site's own words.

What is Mold Block used to make? Craftable items and their uses

Items you can make with Mold Block, with how to craft them, the other materials needed and what the result is for.

Poison Berry Wall

How to craft: Crafted at Laboratory Table
Materials: Mold Block ×3, Bomb Pepper ×2
What it is: Placeables & furniture. "A treacherous wall packed with poison berries, bursting in a toxic cross when touched."

What Mold Block is used for (1 recipe)

	Recipe (materials)
Poison Berry Wall	Mold Block×3 Bomb Pepper×2	—