The Master's Ring is a thick, silver ring with triangular spikes lining its top half, making it resemble a crown. There is a grey fleur-de-lis on the side and a thin, grey line going around the base.
Kingdom Hearts II
The Master's Ring can be synthesized through Free Development once 20 types of materials are obtained. It is a rank A synthesis item that provides 29 EXP, and is an upgrade of the Expert's Ring recipe.