Help: Aura of Dark Blessing Usage sling 'aura of dark blessing' Available Heretic level 22: Aura of Dark Blessing. Aura of Dark Blessing is the group version of Dark Blessing. It spreads the Heretic's hitroll, dodgeroll, and damroll blessing across valid group members. If the caster owns Rune of the Black Congregation, the stronger and longer Dark Blessing profile is used for each valid group member. See Also: dark blessing, black congregation, aura of sinful vigor, heretic