Board Thread:General Discussions/@comment-24561652-20141008045342/@comment-20636354-20141008155311

Kamacuras, Minilla, Gabera, All 3 of the Yog monsters, Skeleturtle, Shockirus, Giant Lizard, Giant Octopus, Giant Sea Serpent, Giant Condor, Dorat.

^ All of those aren't achievents btw, seeing how all other monsters can kill them without even trying.