Mule

A brute beast that gallops from left to right destroying terrain. It can deals heavy trample damage along with explosion damage when hitting walls. The mini boss can also target prey and move towards it.

When the beast is damaged, the beast can spit some bouncy blobs of slime

The creature bleeds Radioactive goo which is like toxic sludge but is harder to be disposed of. It reacts with purifying powder to turn into water and with toxic sludge to turn into toxic sludge. The mini boss drops an Extra Max HP on death.