Bone Giant

Rib Bone. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) piercing damage. Inflicts 5 damage to self when getting a rib bone if it’s from the same their own body. 

Teeth. Ranged Weapon Attack: +4 to hit, range 75ft., one target. Hit: 5 (1d6 + 2) piercing damage. Inflicts 3 damage to self when getting a teeth if it’s from the same their own body.

Fling. Ranged Attack: +4 to hit, range 80/320 ft., one target. Hit: 5 (1d6 + 2) piercing damage. This can only happen after taking six different times of martial or ranged attacks. Not magical attacks. 

Reconstruct. healing technique: (3d6 + 2) this action can only be done twice. This ability can regenerate the lost bones of the giant. Causes Impaling Rebuke not be able to happen for one round. 

Impaling Rebuke. If the bone giant takes more than 15 damage from one attack, it can make the following attack as its broken bones fly at its foe. Attack: +2 to hit, range 75 ft., one target. Hit: 5 (2d6 + 2) piercing and restraints the target. Target must succeed on DC 12 strength to unrestrain itself.