Code:
> release
 oOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOo
 o  #  Spell                Casted On            Concentration   o
 o===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===o
 o  1  <Cabal Spell B>      Yourself             light           o
 oOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOoOOOo
[HP:100%] [ME: 37%] [PE: 97%]
> spell
Mentor    - <Cabal Spell A>            (disabled)    
Master    - <Cabal Spell B>      (disabled)    
[HP:100%] [ME: 37%] [PE: 97%]
> 
Is this a bug?
I logged in and <Cabal Spell B> was still affecting me, even without our relic.
I imagine that if I release it, I'll be unable to cast it again, but if I just keep it on, is that bug abuse?