Chaos chest

This page will be mostly from the real wiki

how to obtain
you need chaos factor to obtain daily

wiki says it is a uncommon drop from lair/dungeon chests too

inside

 * pearls of wisdom
 * chaos cores
 * flux and glim
 * eyes and tentacles
 * any item from the welcome page
 * chaos coins
 * sticky ichor
 * somber and golden souls
 * mounts
 * allies
 * wings
 * boats
 * bleached bones
 * more chaos chest

(check wiki for more)