Your Constitution score increases by 2 and one other ability score of your choice increases by 1.

You can speak, read, and write Common and Giant.

Your claws are natural weapons, which you can use to make unarmed strikes. If you hit with your claws, you deal slashing damage equal to 1d6+your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike.

You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.

Whenever you take acid of fire damage, you cannot regain hit points until the end of your next turn.

You have advantage on Wisdom (Perception) checks made based on smell

When you make a melee attack on your turn, your reach for it is 5 feet greater than normal.

As a bonus action on your turn, you can expend one of your hit dice and regain a number of hit points equal to the result + your Constitution modifier (minimum of 1). Additionally, when you finish a long rest, you regain a number of hit dice equal to your Constitution modifier (minimum of 1) in addition to the normal amount your would regain.