Because the world does not wait...

"On top of being a danger, it can also be used similar to a mana crystal... I think." Eldrian replied, adding that it will likely be limited to the mana undead had access to, and likewise their magic. 

"I see. That actually makes sense," Thesolis replied and Pelaros agreed. 

"Yes, it is like certain parts of beasts. Having a limited usage in crafts, though generally a really good effect if used right."

"That means it is no use to us, should we finally destroy it?" Katania asked.

Eldrian panicked and quickly mentioned the last part, that he might be able to absorb the mana and possibly even more. Turning to him as if they saw a crazy person, they all quickly denied it.

"Are you insane, you just mentioned that the heart can try to turn a person into a host. Now you want to try and absorb it?" Katania could not understand what Eldrian thought, Pelaros however had an inkling. 

"How certain are you of being able to pull this off?"