Zombie Builder:

30 Health

It has three building goal.

Vertical building,Horizonal building and Bridge building.

Rotten Dirt:

Disappear after a period when placed.

Recommendation:
This mod is designed for certain Zombie Apocalypse Modpack. 
And some of its path-building logic is based on the ability of monsters to break blocks.
Therefore, I recommend using it together with mods that allow monsters to break blocks.

Modpack Usage
✅ There is no limits to be in any modpack!