The essence of the tactics for playing against the Dungeon faction.

There is a suggestion that summoning should also be leveled up for Time Elementals, as golems will be ineffective against elementals.

Here, it most likely refers to Golemageddon, performed by Razaz with Battle Standard of Discipline and 7 stacks of golems. This was discussed in more detail in the thread "Pushing the high-end run of the Academy."