Here is the full list of all 52 Millennium - there are A New Hope achievements.
Kill all animal kings
5+ successful uses of Karine's Craft
10+ changes of strategy
10+ uses of Marine's Talk
Spend 20+ hours on the game
Kill Twin Tigers
Kill 50+ enemies with Hirado
Kill Lord of the Ants
Find the secret forge
Kill Queen Bee
Use Benoit's hand technics 50+ times
Kill Golem King
500+ Kills for Marine
Kill Bear King
500+ Kills for Karine
Djinn Slain
Summon Jeanne 50+ times
Kill Rat King
Save 100+ times
5+ Guts from Marine
Find 5+ secret rooms
Rogue Slain
Use Benoit's hand technics 5+ times
Complete 6+ quests
Find 1+ secret room
50+ items found
Kill 100+ enemies with Marine
Play 1+ hour
Use Jeanne for the first time
Complete 1 quest
Collect 10+ orbs
Find 5+ items
Kill 10+ enemies with Marine
Finish the game in less than 10 hours in Hard Mode
More than 100 Orbs collected
Kill Crocodile King
Kill Lord of the Roots
Hard Mode Completed
All quests completed
30+ quests for Hirado
Held more than 30 000 Gold
1000+ Fights
Karine Baroness Promotion
20+ secret rooms found
All secret rooms found
Discover all Bokden's locations
Complete the game fully (all quests, secret rooms and animal kings)
Use Benoit's hand technics 200 times
Never use "Go Through" until the end of the game