Kell Dragon gear tokens

Kell Dragon gear tokens are used to purchase Underworld pieces and can be obtained from nightmare mode bosses in Scum and Villainy and Terror from Beyond.

Scum and Villainy
Seven out of twelve tokens drop from bosses in Scum and Villainy.
 * drops from the Dash'roode.
 * drops from the Titan 6.
 * drops from the Thrasher.
 * drops from the Operations Chief.
 * drops from Olok the Shadow.
 * drops from the Cartel Warlords.
 * drops from Dread Master Styrak.

Terror from Beyond
Five out of twelve tokens drop from bosses in Terror from Beyond.
 * drops from The Writhing Horror.
 * drops from The Dread Guards.
 * drops from Operator IX.
 * drops from Kephess the Undying.
 * drops from The Terror from Beyond.