Dungeons & Dragons 5e Element 133 Class Feature: Field Doctor: Medicinal Cloud

You have thought to yourself "Hm... why can't I make medicine into a cloud?" Well, now you can! During a long rest you can spend time on making a number of healing cloud grenades equal to your tier + your intelligence modifier (minimum of 2). Make a Ranged Weapon Attack to throw a grenade. The grenade turns into a mist that affects an area within a 5ft radius dealing 1d6+2 healing to all creatures within the radius. The radius of effect increases to 10ft at 4th tier, 20ft at 6th tier, and 30ft at 8th tier. You can throw your grenades at a range of 30 feet. At 6th, you have discovered a reagent which causes your cloud to only affect your party! Whether they know you have injected them with the required reactant or not is up to you.