The Advanced Fusion Reactor produces energy using heat from nuclear fusion reactions. Energy production is a constant +3,300, which is 300 more than Armada and Cortex's equivalent.

Build them later on to power your most powerful weapons.

Defend it very well, as it is one of the most favored targets for enemy bombers. When destroyed, it deals 10,600 damage in 1,280 AoE, frequently wiping out the entire base it's in and chain-exploding everything else in range. But when self-destructed, it instead deals 12,800 in 1,920 AoE, surpassing even some nuclear missiles.

It also increases energy storage by 9,000.