Automatically deploys destroyer drones based on enemies around the player
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
New ways to deal with enemies, be it attack or defense.
Armors or armor equipment.
More of a question (and more out of curiosity than anything, figure you have your reasons): why specifically destroyers? I sort of understand distractors since that might be complicated, but why no defenders?