Here is the full list of all 41 Arslan: The Warriors of Legend achievements.
Cleared an Extra Scenario for the first time.
Ate some cooking for the first time.
Cleared Story Mode.
Unlocked all playable characters.
Defeated Bahadur in the duel before the gods.
Achieved maximum Mastery with a weapon for the first time.
Attacked using Azrael.
Regrouped with your companions in Peshawar.
Synthesized a Skill Card for the first time.
Sold a Skill Card for the first time.
Discovered a secret route.
Achieved a 50000 chain during Mardān Rush.
Defeated Kharlan.
Achieved a 500 chain.
Cleared the Battle of Atropatene.
Achieved a total of 1000 KOs using mounted attacks.
Achieved 1000 KOs in any scenario.
Achieved an overall S Rank for the first time.
Activated a Unique Skill.
Activated a Special Move.
Activated a Chain Strike.
Cleared a scenario for the first time.
Activated Mardān Rush.
Acquired all other Trophies.
Collected all Recipe Books.
Achieved maximum Mastery for all weapons.
Acquired all Limited Skill Cards.
Acquired an S Rank for every Combat Mission in all scenarios other than the Tutorials.
Cleared all scenarios.
Defeated Hilmes using Alfarīd.
Defeated Kharlan using Zandeh.
Cleared any scenario other than a Tutorial without taking any damage.
Cleared any scenario other than a Tutorial in 2 minutes or less.
Cleared any scenario other than a Tutorial on
Activated Mardān Rush with all characters.
Achieved a total of 10000 KOs using Mardān Rush.
Activated Mardān Rush a total of 200 times.
Activated 500 Chain Strikes.
Reached the maximum level with a character for the first time.
Obtained a Limited Skill Card for the first time.
Cleared a scenario in Online Play or with 2 players.