Board Thread:Game Discussions/@comment-67.235.105.159-20150406174914/@comment-24738360-20150406190436

Chance Chests are all based on luck.

I have a similar experience with you, I have played KnD for Around 18 months (Owned iOS and Android accounts) and I have not gotten a single Epic out of a Chance Chest.

The Chance Chests are purely luck.