[ Host will suffer some drawbacks or, in most cases, might die due to lack of blood ]
"Die! Shit! This is getting dangerous," he thought. "System, is there no way of refilling it?"
[ Host can be able to replenish the amount of blood lost by drinking the blood of other creatures or humans ]
"Hold on a sec, you didn't mention human the first time. Why are you adding it now?"
[ Host can take the blood of any creatures as far it's not toxic ]
"Ughhh! I think it's best I focus on now," he said. Taking a deep breath, he made a little cut once again, drawing out blood. With a concentrated mind, he began controlling the blood, slowly shaping it into a sphere.
~~~
In the academy, the four elders currently stood before a figure seated in a huge fancy chair. "Hmm, this chair isn't comfy like the one back at the Palace, but it will do for now."