Siege of Centauri achievements

11.11%
Strike at the Heart
Destroy the Heart of the Phoenix.
11.11%
Destruction Avoided
Beat Sedge on normal or higher
11.11%
Revenge
Beat the campaign on normal difficulty
22.22%
Against the Nest
Beat Styx on Normal difficulty.
22.22%
Destroy the Nest
Destroy the Nest of the Queen.
22.22%
Falling Stars
Beat Ciacco on Normal difficulty.
22.22%
Stop the Hive
Beat Plain of Fire on Normal difficulty.
22.22%
Relentless Assault
Beat Dule on Normal difficulty.
22.22%
Destroy the Harbinger
Beat Caina on normal or higher
22.22%
Colony in a Volcano
Beat Sord on Normal difficulty.
22.22%
Against the Overmind
Beat Malebolge on Normal difficulty.
22.22%
The Taskmaster
Beat Plutus on Normal difficulty.