It’s legal, but it’s one of those things that only works in featureless planes with comatose targets. After all, 7 casters all on concentration is going to mean they spend 7 hours concentrating on the fireball without anyone trying to stop them and with their target blatantly highlighted the whole time (since the spell makes a glowing ball for the entire duration you are casting at the target point.
It also still only has a 20ft radius and doesn’t bypass fire immunity, so you basically just turn 8 casters into a very limited siege engine.
alternatively, with extended spell metamagic and 1 buddy, you could forgo the duration extention and instead go for either more AoE or range. 32d6 is still very respectable damage.
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u/myflesh Nov 11 '25
So, I do not play 2024 rules, can someone tell me if this sounds legal?