Monkey King: Enma

White fur sheathes Enma's body and tail, spilling out from the cuffs of his sleeves and trousers. Long, unruly white hair hangs to his back, framed by heavy sideburns and a goatee. Over a black suit lined with mesh armour he wears a sleeveless kimono-style shirt trimmed in white fur and patterned with tiger-like stripes, held shut by a red sash. A Konoha forehead protector completes the look.

Enma and Hiruzen go back a very long way, a bond that hints at the summon's own great age. His loyalty to the Hokage is absolute, though he never pretends to agree with every choice the man makes. He repeatedly pressed Hiruzen over the matter of Orochimaru, convinced the traitor should have been killed at the first opportunity, and a flashback to Orochimaru's defection shows him urging exactly that. He is quick to shield his summoner too, lunging to snap Orochimaru's neck the instant the Hokage is wounded. Sharp on village matters as well, he grasps at a glance that Kushina Uzumaki's seal has failed the moment he is called out during the Nine-Tails' rampage.

Enma ranks among the mightiest summons in the world, a reputation built on a combat record so formidable that many name him the strongest animal summon alive. Decades at the Third Hokage's side have made him both a seasoned tactician and physically overpowering; he brushes aside a reincarnated Hashirama and Tobirama Senju in close quarters when they try to stop his transformation. His signature is Transformation: Adamantine Staff, which reshapes him into an extending, expanding rod as hard as its name suggests, nearly immune to harm yet still vulnerable to Orochimaru's Kusanagi blade. In staff form he can grow long enough to shove Kurama clear of the village, sprout eyes or arms from his own length, move under his own power, and even split into many smaller staves to raise the Adamantine Prison Wall, a barrier that holds against Hashirama's Wood Release.

During the assault on Konoha, Hiruzen calls him in against Orochimaru and the resurrected first two Hokage, and Enma cages his summoner to blunt the World of Trees technique. When Orochimaru drives his sword at the dying Hiruzen's chest, a bound Enma seizes the blade and keeps it from landing until the seal takes hold, then withdraws the weapon and vanishes, honouring Hiruzen as both a true shinobi and a great Hokage. Years later, summoned by a reincarnated Hiruzen against the Ten-Tails, he takes staff form again to free Naruto from the tree and to smash apart its branches.