How is it that I have 29/60 energy stored, 55.3 collection, 32 depletion, and still have a deficit of 200 and rising? THe city is not built for high-throughput, it seems.
Glenn as leader + Selene gives long-term protection+offence, that is practically continuous in sticky situations. Glenn's special completely blocks enemy spells, and wipes out minions with ease, making him the best against enemy spell casters, which are the main problems at high levels.
Theorules:
It will pick one of your planes to chase-keep that plane going forward in a straight line.
The other 2 circle behind and destroy it from distance-you can move slower than it.