Over-the-horizon attacks were not uncommon in the knowledge from Richard's previous life, but in this one, such strikes were very rare.
Especially in air battles.
The conditions of the Sea of Ether dictated that fleets in the Star Realm could only engage in almost melee combat; boarding actions and ramming were the most common tactics in star battles.
Thus, each Star Realm battleship was thick-skinned and able to engage World Masters head-on—even the unequipped ones.
But in the nearly vacuum-like Endless Dimension, over-the-horizon strikes naturally had the conditions to be unleashed.
For both sides, energy was the least important thing. Whether it was the World Fortress or the Civilization Devourer, energy was nearly inexhaustible.
Therefore, even without confirmed positions, the Civilization Devourer recklessly released light spears.
