Endless Space 2 achievements

Win as the Hisshos

Complete all the base game faction lore quests (Sophon, Cravers, Vodyani, Lumeris, United Empire, Horatio, Riftborn and Unfallen)

Have an enemy system filled with 5 Sleepers you own

Complete the Nakalim faction quest

Fire one single Obliterator twice in the same turn

Own at least 1 Sanctuary in 5 opponent Empires

Destroy at least 20 CP in less than one phase of space battle

As the United Empire use your influence to research Liquid Composites and buy a Carrier ship in the same turn

Have the 4 honorable actions active at once

As the United Empire, destroy a Terran planet by firing a Carrier's Core Cracker

Use Privateers to secretly attack a fleet or a system belonging to a member of your Alliance

Complete the Hissho faction lore quest