Multiattack

Two Elemental Burst or Dagger attacks. It can replace one attack with use of Spellcasting.

Dagger

Melee or Ranged Weapon Attack: +6 to hit 5 ft. or range 20/60' one target 5 (1d4+3) piercing damage + 10 (3d6) acid cold fire lightning or thunder (warlock's choice).

Elemental Burst

Melee or Ranged Spell Attack: +7 to hit 5 ft. or range 120' one target 14 (3d6+4) acid cold fire lightning or thunder (warlock's choice).

Spellcasting

Cha (DC 15). At will: levitate water breathing3/day ea: fire shield fly gust of wind1/day ea: conjure minor elementals (as an action) wall of stone