Your Strength Score increases by 2, and your Wisdom increases by 1.

Leonin have lifespans equivalent to humans

Leonin tend towards both lawful and good alignments, due to their strong connection to white mana.

Leonin are noticeably taller and more powerfully built than humans, especially the males. Leonin are on average between 6 and 8 feet tall and usually weigh between 250 and 350 pounds. Your size is Medium.

Your base walking speed is 30 feet.

You have a lion's keen senses, especially in the dark. You can see 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 grey.

You have proficiency in Athletics and Perception skills. 

You have advantage on saving throws against being Frightened.

Because of your claws, you have a climbing speed of 20 feet. In addition, your claws are natural Weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 1d4+ your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike. 

 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. Once you use this trait, you can't use it again until you finish a short or long rest.

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