Thurisaz (Monster Blood)

The monster blood Thurisaz is a red tattoo that glows with red energy.

On a successful Dc 23 Str saving throw, you can destroy a 10 ft. sphere or deal 3d12+12 force damage. On a fail, the tattoo disappears and you take 1d12 damage, and the rune burns away.

You can cast this spell up to 3 times per long rest.