Post Mutant Weapons(i280) You've Seen So Far

[Mimilu]

Has anyone figured out what the Mhachi portal in the Missing Gem is for yet?

And old diadem had buried coffers which could get you loot and even spawn bosses if you were dilligent enough (or at least contribute to popping tracks), and that's also gone.

I know you can get bronze coffers from Corrupted Sprites and there are silver and gold coffers too, just don't know where...