Well I came to realise their are a couple issues with tsochar. We start without cohorts so no host yet and when its inside a body, it can't do anything, so the tsochar as a character is kinda limited.
I think another demon also fits better with the others then the aberration.
Dunno about LA, it should be above 12 to cancel the glabrezu, but its Autocads call.
As for the wish, isn't that part of the fun, trying to plot and make the boy make a terrible wish? (again Autocads call)