Trident Rosary

+1 Spell Slot of a level you can cast
+1 to attack rolls
3/day: Advantage on Wisdom saving throws.
You may breathe underwater. You may
communicate with aquatic creatures.
Charged Touch the Rosary to perform Seallelagh:
the Rosary grows into a Trident +1 Melee Weapon. Reach. hit: 2d8 + Str.
To expend the charge: you may cast the spell Lightning Bolt 3 times.