It might rain stones down on the enemy army
Well if it is as powerful as it sounds, it will be very very difficult to cast.
strike with force enough to tear the walls of a city down a level
There is already a scroll that does this although weaker
raise a unit of undead to fight alongside the caster's realm for a turn
There is a scroll that raises undead but unless you are an attacker, they will not side with you
even raise a freshly dead character back to life
Well we already have that. There should definitely be some serious and permanent penalties for returning from the gate of hell.
RNG roll is made under a certain threshold, the effect is reversed...
Certainly. I hope there is a chance of magic completely backfiring and getting rid of all your spellcasting skills at once.
Magic right now feels a bit like D&D's longsword+1 combined with a Diablo-esque random name generator. How many Items are in the game with no description or care given beyond the bonus it gives?
It is the job of each item owner to put item descriptions. You can't simple make the game generate this all the time. Either you will run into many items having common descriptions or it will require too much work for what little worth it has.
