Out of The Mountain

"It seemed like, I won't be able to kill you, without my trump card," It said with a hint of regret.

"Use it then and I hope it is good," I challenged it while looking at the walls. 

They are blazing, and from them, such heat is coming, that it would kill a Sovereign within seconds and Initial Earth Sovereign, wouldn't be able to stay, for more than an hour, before it starts to harm them.

They are also at their limit; they will last a few more seconds before their power starts to reduce.

That is dangerous, as it will make others sense us. The Grimm also understood that, as he had gathered all its power and attacked me with it.

I also harnessed everything I could, changing my inheritance energy. So, it would be able to deal with its bloodline.