Continual Flame

Source: Player's Handbook, DND 5e Wiki

2nd-level evocation

Casting Time: 1 action

Range: Touch

Components: V, S, M (ruby dust worth 50 gp, which the spell consumes)

Duration: Until dispelled

A flame, equivalent in brightness to a torch, springs forth from an object that you touch. The effect looks like a regular flame, but it creates no heat and doesn’t use oxygen. A continual flame can be covered or hidden but not smothered or quenched.

Spell Lists: Artificer, Cleric, Druid, Wizard