The Storm's Devotee

Piety 3+ The Storm trait

Once on each of your turns when you hit a creature with a weapon attack, you can deal an extra 1d6 lightning damage to the target. You can use this trait a number of times equal to your Intelligence modifier (minimum of once). You regain all expended uses when you finish a long rest.

The Storm's Votary

Piety 10+ The Storm trait

When you fail an Intelligence or a Wisdom saving throw, you can reroll the die, and you must use the new roll. Once you use this trait, you can't do so again until you finish a long rest.

The Storm's Disciple

Piety 25+ The Storm trait

The energy of the storm fills your being, granting you advantage on initiative rolls.

Champion of Storms

Piety 50+ The Storm trait

You can increase your Intelligence or Wisdom score by 2 and also increase your maximum for that score by 2.