Polearm Dance- Dance with Water

You have practiced with water techniques useful in melee combat. You can use a bonus action to prepare your stikes gaining the following benefits:

• Double your proficiency bonus on attacks while active.
• When you damage a creature that is concentrating on a spell, that creature subtracts your Wisdom modifier from the saving throw it makes to maintain its concentration.
• When a creature within weapons reach of you casts a spell, you can use your reaction to make a melee weapon attack against that creature.
• You have advantage on saving throws against spells cast by creatures within 5 feet of you.

This dance cannot be combined with Dance with Fire.