Three Lock Box

Where

• The Three Lock Box can be found in the basement of DevilMouse Mansion.
• There are 2 levers required to get to past the gates and access the chest.

Keys

• Attack on Titan Island around Castle RagaKo, they will drop (3) different pieces of the key.
• The keys will need to be assembled and turned into and NPC for a repaired key.

Three Lock Box

Sammy Hagar

Mind, Body, and Spirit

Treasure of Royalty

But a "Three Lock Box" stands for mind, body, and spirit -- it was also a very valuable buried treasure usually belonging to royalty