Shapeless Fighter (5e Creature)
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Medium elemental (shapechanger), neutral
Saving Throws Dex +5
Freeze (Shapeless Form Only). If the shapeless takes cold damage, it partially freezes; its speed is reduced by 20 feet until the end of its next turn.
Shapechanger. The shapeless can use its action to polymorph into a Small or Medium humanoid it has seen, or back into its true form. Its statistics, other than its size, are the same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.
Water Form (Shapeless Form Only). The shapeless can enter a hostile creature's space and stop there. It can move through a space as narrow as 1 inch wide without squeezing.
Claw (Shapeless Form Only). Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) slashing damage and the target is grappled (escape DC 10). Until this grapple ends, the shapeless can't make claw attacks against other targets.
Shortsword. Melee Wepon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage.
Fade (3/Day). When the shapeless takes damage from a weapon attack, it makes a Dexterity saving throw with a DC of 15 or 10 + the damage taken, whichever is higher. On a successful save, it takes no damage. On a failed save, it takes half as much damage.
Shapeless fighters use weapons stolen from coastal settlements, though they don't care for maintaining their gear, as the way they see it, if they need more they can just take it.