The Outcasts are a tribe of Vikings that have been banished from various tribes, particularly the Hooligan Tribe. Its leader is Alvin the Treacherous, a former Hooligan. While originally enemies of Berk, the two tribes eventually made peace and became allies.
Weapons: Inferno, Astrid Hofferson's Axe, Hiccup's Viking Helmet, Hiccup's Shield, The Mangler (Hiccup's Bola Catapult), Dragon Root Arrows, Toothless' Saddle and Tail Fin, Dragon Scale Armor, Deathgripper Venom
Plants: Dragon Root, Blue Oleanders, Purple Oleanders Other: Yak Nog, Bork's Papers, The Book of Dragons (original, The Nine Realms), Hiccup's Prosthetic Leg, Astrid's Betrothal Necklace, Gobber's Peg Leg