The bungle unlock? You tried to do it in a too hard way. 😅 It's actually same number of each so like for example 2 of each and not the count matching the value. But that's a good idea for another unlock maybe... 😉
18 days ago(+1)
Oh nice! Didn't really think anyone would bother to go for the completion. Tough to say which could be the missing one off the bat from just that. But for sure it can't be any character, relic or challenge as they come in pairs and you're only missing one. Here is a full list of rest of the page which are probably named clear enough to give some clue about what it could be...
