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Onyx Key
250px
Image caption
Vital statistics
Type key
Effects  effects
Source Source
Cost to buy  buy amount
Cost to sell 50000
Onyxkey

Without the key, a magic mouth turns the party back...

The Onyx Key is an item required by the party to enter Mangar's Tower in Tales of the Unknown. It is given to the party by Kylearan upon successfully navigating his tower.