They act unpredictable but aren't wholly evil, motivated by personal goals.

Your size is medium.

Your base walking speed is 30.

You have Darkvision up to 60ft.

You are Resistant to fire and necrotic damage.

Once per short or long rest you may Transform into a fiendish form for 1 minute. In this form:
-Gain +2 to AC
-Unarmed strikes deal an extra 1d8 necrotic damage.
-Gains advantage on saving throws against being charmed or frightened

When an enemy Casts a cantrip within 30ft, the shifter may attempt to dispel it as an reaction.
-Roll a d20: On a roll of 11 or higher (50% chance) it fails.
-Limit: Usable a number of times equal to your charisma modifier.
May recharge during short rest.

You can read, write, and speak Common and infernal