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Me to my players tonight, they deserve it
(ttrpg.network)
For context, they managed to successfully accomplish an impossible task (defeating a Lich with it's minions) to save their tribe's armoury and magical item stash. So their master, an Ancient Red Dragon, will give them an item from his own collection
A single Candle of Invocation.
Use Magic Device?
Not sure if it still exists in 5e but back in my day there was a skill that would allow you to activate a magic item you normally couldn't, including spoofing your alignment.
So a CG trickster cleric could conceivably BS the candle into letting her get its benefits. Including being able to Gate in a Genie...
Edit: Also, if it's sitting around in a red dragon's collection, it probably doesn't match his alignment, or he would've just used it himself.