Actions

Grab

Unarmed Strike: +3 to hit; reach 4 meters, one target. On hit 3d10+10 bludgeoning damage, and the target is grappled [DC 16 strength (athletics) check to escape.  

Stomp

Unarmed Strike: +10 to hit; reach 3 meters, damage radius 3 meters, DC 16 dexterity saving throw. On hit 3d12+10 bludgeoning damage.  

Bite

If you are in the Titans hand, within a meter of its mouth, or in its mouth, it can attempt to bite you. Make a DC 16 dexterity saving throw  

Swallow

If you are in the Titans hand, within a meter of its mouth, or in its mouth, it can attempt to swallow you. Make a DC 18 dexterity saving throw; on a fail, you are swallowed by the Titan and are considered incapacitated if you weren't already and are in the Titans stomach. Ontop of that, you take 1d10 acid damage each turn; on a success however, you are considered grappled and are not yet fully in the Titans stomach.

Reactions

Catch

When within 4 meters of the Titan, make a stealth check contested by the Titans perception check. If you roll lower than the Titan, make a DC 10 dexterity saving throw, on a fail, you take 5d10+10 bludgeoning damage and an additional 3d10+10 bludgeoning damage each turn you take in the Titans hand and you are considered grappled. Each turn you take in the Titans hand, you can attempt to get out by making a DC 16 strength (athletics) check.  

Chomp

When within 2 meters of the Titans mouth, make a stealth check contested by the Titans perception check. If you roll lower than the Titan, make a DC 10 dexterity saving throw, on a fail, you take 10d10+10 piercing damage each turn and are considered grappled. Each turn you take within the Titans mouth, you can attempt to get out by making a DC 18 strength (athletics) check.

Legendary Actions

Regeneration

At the start of its turn, the Titan can expend a bonus action to regain 5d10+10 hitpoints if it is damaged. If the Titan has any missing body part, it can regenerate that instead using its action.