When determining your character’s ability scores, increase one score by 2 and increase a different score by 1, or increase three different scores by 1. You can't raise any of your scores above 20

Mountain Leonin are typically over 6 feet tall, with few standing over 7 feet. Your size is Medium.

Your speed is 35ft, and you have a climbing speed equal to your walking speed.

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 colour in darkness, only shades of grey.

Your claws are natural weapons and have the Finesse property, which you can use to make unarmed strikes. If you hit with them, you can deal slashing damage equal to 1d6 + your Strength or Dexterity modifier, instead of the bludgeoning damage normal for an unarmed strike. When you take the Attack action, you can make one additional attack using your claws as part of the same action. Once per turn when you hit a creature with an attack that uses your claws, you can reduce the speed of the target by 10 feet until the start of your next turn.

You can take the Hide action as a bonus action, and can attempt to hide even when you are only lightly obscured by foliage, heavy rain, falling snow, mist, and other natural phenomena or when camouflaging in rocky terrain.

You have proficiency in one of the following skills of your choice: Athletics, Intimidation, Perception, Survival, or Stealth.

As a bonus action, you can let out an especially menacing roar. Creatures of your choice within 10 feet of you that can hear you must succeed on a Wisdom saving throw or become frightened of you until the end of your next turn. The DC of the save equals 8 + your proficiency bonus + your Constitution modifier. You can use this trait a number of times equal to your proficiency bonus, and you regain one use when you finish a short rest, and regain all expended uses when you finish a long rest.

You can speak, read, and write Common and one other language.