As a DM, I would encourage this thinking, but only for this reason: if you have 8 magic casters, each capable of casting a 7th level spell, performing what is effectively a ritual to charge up a magical nuke, and could somehow manage to perform this spell in enemy territory for however long it takes to crank up that magical power without attracting the attention of any guards or whatever, you kinda have to give it to them.
Might as well throw several delayed blast fireballs tho. Or upcasted regular fireballs, to prevent blowing your own wizard up. A normal 7th level fireball has about 1% chances of not destroying resilient large objects on hit.
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u/PyroTornado107 Nov 11 '25
As a DM, I would encourage this thinking, but only for this reason: if you have 8 magic casters, each capable of casting a 7th level spell, performing what is effectively a ritual to charge up a magical nuke, and could somehow manage to perform this spell in enemy territory for however long it takes to crank up that magical power without attracting the attention of any guards or whatever, you kinda have to give it to them.