(This is heavily inspired by the chain attack from Xenoblade Chronicles.)
The caster calls out to all their allies, shouting out "Time for a team strike!" This will inspire those within 15 feet of the target to come over and surround the target if possible. Up to 3 other allies will join in on this attack.
Everyone participating is given a magic made sword to strike the target, dealing 1d6 to them per hit. There is no roll for save or roll to hit, it is only damage. Because of this, you can only cast this spell once per user per battle (assuming multiple people have this spell).
Once each attack is done, the caster then must roll a charisma saving throw of 17, modifier cannot be added to this. If they succeed, they may attack once more. From there, each attack must be followed by another roll, these ones now must beat an 18 or higher. No modifiers can be added to these either. Once a failed roll happens, the spell ends
At higher levels, the magic swords deal an additional 1d6 per level, maxing at level 7 dealing 5d6 per strike. At level 8, the swords instead deal 5d8 per strike. At level 9, you may cast this spell 2 times per battle.
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