The Episode Ardyn Add-on for Final Fantasy XV has 7 achievements worth 210 gamerscore.
Earned the top ranking in EPISODE ARDYN.
Took over all sectors of Insomnia.
Used Ifrit's techniques 10 times.
Completed EPISODE ARDYN on Normal.
Unlocked all of Ardyn's abilities.
Daemonified 100 enemies.
Inflicted Royal Retribution 10 times.