Amphibious. The shoreline scrapper can breathe air and water.   Magnetic Shell. At the start of each of the shoreline scrapper’s turns, each creature within 5 feet of the scrapper must succeed on a DC 15 Strength saving throw or the metal items worn or carried by it stick to the scrapper’s shell. A creature that is made of metal or is wearing metal armor that fails the saving throw is stuck to the shell and restrained. If the item is a weapon and the wielder can’t or won’t let go of the weapon, the wielder is adhered to the shell and is restrained. A stuck item can’t be used. A creature can take its action to remove one creature or object from the shoreline scrapper’s shell by succeeding on a DC 15 Strength check.   Items made of gold and silver are unaffected by the shoreline scrapper’s Magnetic Shell. When the shoreline scrapper dies, all metal creatures and objects are released.   Metal Sense. The shoreline scrapper can pinpoint, by scent, the location of metals within 60 feet of it.