Three runic circles placed on the right side of the steel rectangle powered the burst laser, while three on the left were being charged in Damian's mana cloud. And then vice versa.. giving a continuously working laser cannon as long as there was enough mana in the environment.
***
[The Pigmen City, Current Time, Sariel's POV.]
The giant shimmering waygate flickered for a while and disappeared. That was the last of the reserved tank of liquid mana for Sariel to use for waygates. Now, he would have to use his own two mana containers if he wanted to continue, but it wasn't necessary.