Yamato

Cast Time: 1 action Range: 30 feet (10-foot radius) Components: V, S, M (a dried flower petal) Duration: Concentration, up to 1 minute You cause a large spectral lotus to bloom, releasing a wave of toxic spores. All creatures in the area must make a Constitution saving throw. On a failure, they take 5d10 poison damage and are poisoned for the spell’s duration. A poisoned creature repeats the save at the end of its turn. On a success, the spell ends for that creature.