Flamestrike
Legend
No. "F.... off" is never a reasonable suggestion. Actually it is not a suggestion at all.
It literally is a demand to leave.
Its a legit suggestion, and is reasonable in this case.
Presuming I allowed the caster to use it via the Aboleths telepathy, id have the Aboleth retreat to its lair, and order its minions to 'Deal with the PCs'.