How was he able to create more undead without any vessels that could actually crawl out of the ground?
With [Necromancy], I had a much easier time sensing corpses underground, but he was able to pull things that didn't exist out of it.
"He is too highly skilled. With such high proficiency, you can create undead out of thin air as long as you have the mana, but it seems the idea of resurrecting the already fallen corpses slipped through his mind. Raise them now before he remembers," My maid of death suggested, and I slapped myself for not even realizing.
Such an obvious piece of information, yet I didn't even think of using it… but, now that I was aware of it, I snapped my fingers and muttered,
"[Necromancy],"
Suddenly, the air began to bend as if a godly being had descended, and my maid of death couldn't help but choke on the deathly thick air that invaded her sinuses.