Demonic Deal (Ultimate Ability)

---How does someone get this power---
This power has to be given to you by one of The Seven Deadly Sins
It can only be given to those who have the Demonic Trait
Note: The Demon Lord who gave you this power can also take it away
---What is a Demonic Deal?---
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---How to make a Demonic Deal---
When explaining Demonic deals we will be referring to two different people, The Demon and The Mortal [For an example]
When a Demon uses this power they will hold out their hand, [On their hand there should be a fire thing] {The Fire is colored} {The Color Depends on which sin their Demonic Deal power comes from} If you shake their hand then the deal is made
Both Parties must know what the deal is and make it of their own free will
Note: The Demon Lord who gave you the power can undo the Deal
---Extra Things that Powerful Demons can do with Demon Deals--- {This Does not work on things with The Demonic Trait}
They can infuse their power into a Mortal [It gives them the Demonic Trait and some other powers]
You can also boost their power