Keys - Treasure Chests
T1 TF, AVP & WE - ???
T2 Ghaldassii Ruins Treasure Chests - ???
T2 GC, Manor Treasure Chests - Copper Key
T2 Upper HC Treasure Chests - Celestium Key (Upper)
T3 Lower HC Treasure Chests - Celestium Key (Lower)
T3 Mad Run Treasure Chests - Web-covered Key
T3 Hanggore Treasure Chests - Carved Bone Key & Brass Key
T3 EP, SP Treasure Chests - Brass Key