Absolution is high-variance. In a clean Standard bag (9 numeric / 7 symbols), playing it at X=0 usually nets you about one or two  Bless tokens — but there’s always the chance you just pull three normal symbols and get nothing. You can pay resources to reveal more tokens and improve the odds, but the costs ramp up quickly.
The real use case is when you already have a decent number of  Bless tokens in the bag (say 5–7) and you’re looking for healing. That way you’re less likely to whiff, and you won’t waste value by running into the  Bless cap.
The problem is reliability: to be around 80% sure of healing three or more horror with five  Blesses in the bag, you’d need to dump about 11 resources into this card. That’s absurd.
If you want steady  Bless generation, Keep Faith is the better tool — 2 resources for a guaranteed four  Bless tokens, no fuss, no gamble, no action (!). Absolution is only worth it if you’ve got a pile of spare cash and need the healing right now.
If you’re running a big-money  Bless Rogue who can casually throw double digits of resources into a single play, Absolution can turn into a flashy full-heal + max  Bless refill. Niche, but stylish. Possible combo with Hallow?