I have to collect every single crystal key by myself. These are currently the items I own.
My tab also has some items that are not from crystal chest such as constructors outfit, mime outfit and god robes too though but ignore them for now they're there just for the looks ll
Here's a list of items i'm currently missing:
Black platelegs (t)
Adamantite plateskirt (t)
Rune platebody (t), rune platelegs (t)
Black platebody (g)
Rune full helm (g), rune platebody (g), rune plateskirt (g)
Blue, purple and red partyhats
Blue and green elegant legs
Red and black elegant shirts
Blue elegant skirt
Purple elegant blouse
And here's the tab: