Casting time: 1 Action
Range: 60 feet
Components: V, S, M (a vial of blood from a humanoid killed within the past 24 hours)
Duration: Concentration, up to 1 hour
It is a spell which is available from Xanathar’s Guide To Everything. You’re utter the foul words, by summoning the one demon from a chaos of the abyss. You can select any of the demon’s type, which is must be one of the challenge rating 5 or lower, like a shadow demon or else a barlgura. However in this specific spell the demon shall appear in an unoccupied space that you are able to see within a range and also the demon disappears whenever it drops to the 0 hit points or else whenever the end of this spell.
You can roll an initiative for a demon, which has its own turns. But of course when you do summon it and also on each of your turns thereafter, You can issue a verbal command as well to it (requiring no action on your part), simply telling it what it should be done on its next turn. For an instance, if you issue no command, it will spend its turn attacking any kind of creature within a reach which has attacked it.
Also read: produce flame spell 5e
At an end of each of the demon’s turn, it shall make a charisma saving throw. The demon has disadvantage on this saving throw that if you say its true name. Of course on a failed save, the demon shall continue for obey you. But on a successful save, your control of such demon shall end for the rest of the duration and even the demon shall spend its turns which is pursuing and also attacking the nearest non-demons for the best of its ability.
If you shall stop concentrating on the spell but before it reaches its full duration, also an uncontrolled demon doesn’t disappear for 1d6 rounds if it is still has the hit points.
As a part of casting the spell, you can easily form a circle on ground with a blood used as a material component. Mainly the circle is large enough for encompass your space. During this spell lasts, then the summoned demon can not cross a circle or else harm it and even it can not target anyone within it. Simply by using a material component within this material consumes it whenever the end of this spell.
At Higher Level
Whenever you cast this spell by using a spell slot of 5th level or higher, and also the challenge rating shall increased by 1 for each slot level above 4th.