When this spell is cast, you can create an antidote for a poison, so long as the dose of poison costs equal to or under 100gp. All creatures of your choice are affected by this spell in a cube area of effect. If a creature has a poison, that is not yet affecting another creature, that poison can have an antidote created with the use of this spell for 50gp less.
The spell creates an additional 50gp for every spell slot level above three; 4th level 150gp, 5th level 200gp, 6th level 25ogp, 7th level 300gp, 8th level 450gp, 9th level 500gp.