Corrupted Spirit

Dead Soul: Corrupted Spirits are Humans infected by a dark magic

Combo Attack: Corrupted Spirits can make an attack with another creature that they ride into battle during the creature's turn.

Multiattack: It can slash 2 times

Cursed Flame: Corrupted Spirits can spew cursed flame from their mouths  at range of 30ft in a straight line, dealing 2d8 Necrotic damage. The player must role a Dex saving throw of 13 in order to not be caught by cursed flame and avoid all damage. If they were caught they take 2d8 damage and another 1d4 for the next 3 turns unless they role another Dex saving throw at the beginning of each turn. If the creature is behind the target it makes the target role with disadvantage.

Slash: Attack to Hit: +4 Corrupted Spirits can slash at their target dealing 1d12 slashing damage, if it hits they can go for another swing. If it attacks behind the target it deals an extra 1d4 damage on each swing and it gains advantage on it's attacks.

Dark Cast: Attack to Hit: +4 Corrupted spirits can create an orb of dark magic at range of 50ft and send it to their target dealing 3d8 force damage. The Dark cast can move their target back 10ft. If the creature is behind the target it deals an extra 2d8 damage and knocks the target back 15ft more. The behind bonus can only be used once every 3 rounds.

Melt: Corrupted Spirits can melt into the ground and flow through it at speeds of 35ft