Iron Cobra

AC 13 - HP 45 - 30 ft.;
Immu Poison; nonmagical BPS; Charmed
Magic Resistance. Adv ST against spells and magics.

Bite.: +5 / 1d6 + 3 piercing DC 13 CON ST or suffer random effect:
1. The target takes 3d8 poison damage.
2. Next turn, use action to make one weapon attack against random creature within 30 feet of it.
3. Paralyzed until the end of its next turn.