Noumenon Favour

Noumenon favour is a figurative currency used during the 2015 Hallowe'en event. It can be obtained by:
 * Capturing Wayward Souls floating on the River Noumenon.
 * Siphoning Soul Devourers
 * Killing Soul Devourers
 * Fighting off the Avatar of Amascut
 * Turning in Lost Souls to Sinn Derkwill