Nilou's two special passives rely on activating the Bloom reaction with her Bountiful Cores. This weapon gives you 120 Elemental Mastery for ten seconds whenever you trigger this reaction, but it can only be triggered once every 20 seconds. If you're using her on another team like Vaporize, this weapon can be quite useless since you won't trigger Dendro reacti Elemental Mastery is the stat that determines the damage dealt by Aggravate, Spread, and Swirl reactions in the team . The rotation for t...