Orc Rituals of Blood Help: Wormtongue / Whipsers in the Dark

Hi everyone!

I’m trying to get an understanding for a couple of the orcs’ rituals of blood; specifically Wormtongue and Whispers in the Dark.

I feel like I’m overlooking something simple, but I can’t figure out how long they should take, and whether the victim has to be around the whole time.
The summoning and transformation blood rituals have durations listed, and they either affect things at a distance or change the caster.

I’m sure it’ll make much more sense once I figure out how they’re used in play, but I’d appreciate any clarification.

Thanks!

I imagined them as simple, straight forward abilities.

Wormtongue: You must speak to the person in question, as you draw his blood, cut your palm or crush a small animal.
Whispers: You must do something that drives your victim mad…that also culminates in a human sacrifice.