BC5 Dualcast is an unlockable challenge in Benighted Soul, a mod for The Binding of Isaac.
This challenge is played on Hard mode.

Brother Bobby
99 Memory

Note: this list does not include characters' default starting items.

Blind Mode.

Starts with a permanent orb of Falsehood of Apollyon.

The following is unlocked for completing the BC5 Dualcast challenge: Benighted ??? starts with Falsehood of ???.

Unlock Benighted ???.

• Download Benighted Soul from the Steam Workshop.