Water Elemental (CR 5)

STR DEX CON INT WIS CHA
+4 +2 +4 -3 +0 -1
Dmg. Res.: Acid, Bludg., Pierc., Slash.
Dmg. Imm.: Poison
{e} Multiattack: Two Slam attacks.
{e} Slam: Melee +7 hit, 5ft. Hit:
2d8+4 bludg.
{e} Whelm (Recharge 4-6): See book.