Under Giant

Multiattack. The giant makes two greatclub attacks.

Greatclub. Melee Weapon Attack: +8 to hit  18 (3d8 + 5)[Btludgeoning]

Rock. Ranged Weapon Attack: +8 to hit 21 (3d10 + 5)[Bludgeoning]

Fungi Snack. Consumable item. Roll 1d6 and view the table according to the result, and last 1d6 rounds (Unless said otherwise)Put your spoiler here.

1- Infernal Shroom. When the Giant eats this mushroom the giant gains resistance  to fire, and the any of his attack do, and extra 1d6+2 fire damage.

2- Micro Shroom. When the giant eats this mushroom he shrinks one size, and does half damage rounding up, but gets +3 to ac

3- Shroom of Enlargement . The giant grows to gargantuan, and  has a -3 to ac, and str becomes 27 (Mod is +8 on str checks)

4- Mushroom of Magic. The giants once consuming this mushroom gains the ability to cast darkness.

5-  Shroom of Peace. Once the giant consumes this mushroom it becomes peaceful, and will to do anything that isn't obviously harmful.

6- Shroom  of Decease. The giant once consuming this mushroom skin begins bubbling, and leaking poison, and anyone in a 5ft radius of him take 1d6 poison damage a the end of every round. The giant also take the damage every round for a minute.

Roar. 1/day Once per day the under giant can roar to give disadvantage on a saving throw of any creature with in 60ft, that isn't larger than it, or deafened.