The breeding guide isnt the best method of breeding
Thats just the slow way of breeding I can breed a tier 3 in 2 gens instead of 5 and a tier 4 with 4 gens instead of 7
Btw to all who say the people in the leaderboard are hacking
It can be done legitimately if u purposely meltdown ur reactor to get a bunch of EP
U have to produce a lot of heat in the meltdown tho like 1 oct