Here is the full list of all 50 Agarest: Generations of War achievements.
Saw the true ending
What's half of 100?
Clear Generation 5.
Hildegard is my bride!
Clear Generation 4.
Silvi is my bride!
Strong as an ox!
Quick as a wink!
Smart as a whip!
Lucky as a leprechaun
Healthy as a horse!
Created three marionettes.
With your Extra Skills combined...
Unlock character profiles.
Noah is my bride!
Faina is my bride!
Clear Generation 3.
Clear Generation 2.
Valeria is my bride!
Yayoi is my bride!
Sherufanir is my bride!
What's more than 19, but less than 21?
Clear Generation 1.
Elaine is my bride!
You have been loved like there's no tomorrow.
Dealt over 10,000 damage with a single blow.
What have I done!?
Your name has been recorded in the hall of heroes.
It seems something unexpected was created. Hopefully it wasn't grass.
You have added an item to the shop. Keep doing alchemy to add more. Smithing makes the shop go 'round.
Execute a coordinated attack with six characters.
You've got to weaken monsters before you can capture them.
You've earned a title! Now try and earn them all! Be sure to visit the Adventurers Guild.
Are there still character profiles you haven't unlocked?
There's so much to see.
Have you seen it all?
Created a special monster by combining other monsters.
What's 10 and 0?
Earn all the titles. Good luck.
Luana is my bride!
Fyuria is my bride!
Lavinia is my bride!
Ryuryu is my bride!
You've defeated every foe in the Boundary Plane. You're pretty awesome.
You've mastered one attribute.
You've mastered half the attributes.
You've mastered all the attributes.
It's a Boundary Plane and simple.
The number of turns has exceeded 500.
You've defeated a god dragon.