That's mostly because the quality of CE in general, is so low compared to Aura. It's like trying to replace Water with Beer, it simply wouldn't work and might be harmful even. Unless he pumps an ungodly amount of CE into it that is.
Jujutsu Kaisen: The Traveller
Anime & Comics · Evrabonzz
Vol 2. Chapter 9. Fallout.
Fate/False Order
Anime & Comics · Leylin_Blackwood
Introducing himself
"Well, mistakes happen. Karl. What brings you boys to this neck of the woods?" I smiled wryly, hands behind my back.
A Song of Grace & Fury
Book&Literature · Bleap
Second later, the flour moved, and segments came out. The first ones to appear are the boots.
It Started With Devils & Artefacts
Anime & Comics · Dragon15681
I think it meant sacrificing lives or non renewable things as he can generate more blood
In this case i was going to create six pylons that will serve to give the barrier structure and fuel thanks to the cursed stones attached to them. I went into my nearby material chests to grab crystal mantis drops and mithril to form the pylons main bodies before slitting my wrists with my weapons razor edge and bathing the pylons in my blood. I healed the wound and cleaned up the mess but this was to give the barrier just that little extra oomph.
Danmachi-Hell's forge
Anime & Comics · loskro
"Maybe it has a spiritual significance to the village," Alex told her. "But it should be possible to traverse the maze that blocks the entrance to Ta Lo at other times as well. We just need to find the way."
Marvel: I'm a Symbiote
Movies · Addyctive7
Welcome back and thanks for the chapter
Give Wilhelm a bit more time
Well, miracles do happen. Better check to make sure Big G didn't come back suddenly.
A Nascent Kaleidoscope.
Anime & Comics · AStoryForOne
"I am going to leave her to you two since you two are her siblings. I already did my part by helping give her a brain."
The Knight of Ruin(DxD)
Anime & Comics · A_Real_Werewolf234
But even if told he wouldn’t believe it thinking exaggeration of her crush
No more, now the truth was before him.
A Song of Grace & Fury
Book&Literature · Bleap