Vein Roller

Vein Roller is a Small Magma Cube with Veins wrapped around it, instead of jumping like other Magma Cubes he rolls around the Nether. It's hostile against Player, it deals 6 (3 Hearts) Damage, it also gives Player effect called Nether Infection for 4 seconds, which turns Netherrack into Infected Netherrack.

Drops
Vein Roller normally drops Magma Cream but haves a chance to come with another drop, Nether Oil Veins that haves a 40% chance to drop.

Behaviour and Spawning
It always spawns in Veins Structure and there's always 2 of them, the structure spawns in the Nether. They often attack Baby Ghast s which turns into a fight in which Baby Ghast wins most of the time. It's hostile against Player, it deals 6 (3 Hearts) Damage. It's not immune to fire.