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