Antimagic Susceptibility. The sword is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the sword must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute.   False Appearance. While the sword remains motionless and isn't flying, it is indistinguishable from a normal sword.   Strengthened Bond (3/day). When the flying sword hits a creature, it can choose to deal an extra 2d8 force damage to the target.   Sword of the Sixteen Wishers. When the flying sword lands a critical hit against a target, that target takes an extra 5 (1d10) necrotic damage if it isn't a construct or an undead. The flying sword regains hit points equal to the amount of necrotic damage dealt.