Crystalline Metabolics

You gain the ability to alter your metabolism to become that of a Gem Dragons. You can consume a gem of various types to gain the following benefits:

• Ruby: gain additional damage on hit equal to your level.
• Onyx: you are able to see in magical and non-magical darkness.
• Topaz: Weapon attacks against you have their dmg reduced by half
• Emerald: Your spells and attacks become necrotic dmg and reduce the targets hit points by half the amount.
• Sapphire: Your swim, climbing, and crawling speed equals your walking speed.
• Diamond: Pick 2 of the above effects.