Bifrost

"Bifrost... sounds dangerous" - Tooltip

Bifrost is a War Mode summoning item that is used to summon Loki. It is incredibly hard to craft.

Crafting

 * 5 Soul of Night
 * 5 Soul of Light
 * 5 Soul of Sight
 * 5 Soul of Might
 * 5 Soul of Fright
 * 20 Cyrocite Bars
 * 20 Verdantite Bars
 * 20 Aridite Bars