One of the least plausible aspects of fantasy as a genre is that sorcerers NEVER seem to get bogged down in creating a new spell then spend the next three or four months muttering "I hate this, it's rubbish" under their breath.
@cstross "This would've been amazing but the exclusion ward forces a linearization of the energy stack and produces a long poll effect which doubles the casting time and prevents the energy peak from coalescing."
"Ye burned tha tower to the ground."
"IT SHOULD HAVE BEEN TURNED INTO A PUDDLE OF GLASS!!!" *sob*