While a fire burns in this brass brazier, you can use an action to speak the brazier’s command word and summon a fire elemental, as if you had cast the conjure elemental spell. The brazier can’t be used this way again until the next dawn.
RollQuest ships the D&D 2014 SRD as a content pack, on a 5e character sheet that does the maths - roll from the sheet and let the numbers work themselves out. Free to start.