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Chaos Dragon and Devils (due to Ice Demons), and also Dragon Golems.
Yes, if you take such powerful creatures, any of them will be useful.
I was talking about the great potential of the Djinn, which means it is useful.
Dragons, devils, etc., are already useful in any case because they are strong - level 4.
But what if it's in the early stages of the game, when you don't have any level 4 creatures yet?