Undead Torso of the swamp giant

Rotten Body. The Body of the swamp giant has been laying underground for a long time. It's body is heavily rotten. The monster looses its limbs when hit by slashing damage. Foul smelling dark liquid starts to pour out the wound. Every living crature that comes into contact with the liquid must succeed on a DC 15 Con saving throw or become infected by scarlet rot. The limbs can still attack with disadvantage. 

Scarlet rot. A heavy disease that starts harming contained individuals instantaneously. Infected individuals have a -1 malus on every attacking throw. Infected individuals can't concentrate. If infected individuals aren't cured within 5 days they must succeed on a death saving throw everytime they take a rest. 

Grab. The torso tries to grab a target within 10ft. The target must succed on a dc 15 Str or Dex saving throw. If they fail the torso throws the target up to 60ft. This deals 4 (1d6) blunt damage.

Claw. Melee attack. +3 to hit 10ft., single target. On hit: 4 (1d6+1) slashing damage.

Sweep. Ranged attack. The torso sweeps its arms around itself. Every creature in a 15ft. radius must succeed on a DC 10 Dex saving throw or be hit with 5 (1d8) piercing damage (there are spikes on the arms of the torso I have lying around XD).

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