Supernaturally Mighty (5e Feat)
From D&D Wiki
Prerequisites: Strength 15, A race that is not human
Your strength has become bolstered by the magic throughout your body, making heavy weapons and contests of strength trivial matters.
- You may wield two handed or heavy weapons up to your size class, and one-handed, or versatile weapons of up to one size class higher than you in one hand without penalty.
- You may wield heavy shields (such as tower shields) without penalty to attack.
- Your carrying capacity (if applicable) is doubled.
- Twice per long rest, you may gain advantage on one strength ability check, or saving throw of your choice.