Hold Breath. Yuka' Sai can hold its breath for 15 minutes.

Spellcasting. Yuka Sai' is a 5th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 15, +6 to hit with spell attacks). Yuka' Sai has the following druid spells prepared:

Cantrips (at will): druidcraft, produce flame, thorn whip

1st Level (4 slots): entangle, fog cloud

2nd Level (3 slots): heat metal, spike growth

3rd Level (2 slots): conjure animals, plant growth

Multiattack . Yuka' Sai makes two attacks: one with its bite and/or one with its claws and/or a strike attack.

Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 20 (1d12 + 12) piercing damage. If the target is a Large or smaller creature, the target is grappled (escape DC 15). Until this grapple ends, the target is restrained, and Yuka' Sai can’t bite another target.

Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (1d12 + 4) slashing damage.

Strike. Melee Weapon Attack: Yuka' Sai makes an attack with his staff. +10 to hit, reach 7 ft., one target. Hit: 15 (1d12 + 5). bludgoning damage. (The staff cannot be broken unless Yuka' Sai is dead)