"It cost one thousand points of mana, huh?" Zack thought. "Interesting. They appear to be at level one… and the real cost was to create or perhaps teleport them to this place."
For the sake of science, Zack summoned a bunch more of them while No MP cost was active. That also worked with magic circles, but it didn't work with Multi Spell Combination since it wasn't a spell. After that, he made the lava slimes fight each other to confirm that they could get stronger. Soon enough, Zack even confirmed that he could get XP from killing them.
(You Received 10 XP.)
(You Received 20 XP.)
(You Received 10 XP.)
"Good, now I don't need to use the crystals to create the bases," Zack nodded to himself in satisfaction.
