Order of the Sword happened in 1748.

stone sword, iron sword, gold sword, and diamond sword

You can get the Great Fairy Sword by finding all the Stray Fairies in the Stone Tower Temple, then the Great Fairy will give you the Great Fairy Sword.

Beat the game and go into Creature Campaign.

Clear all eight floors in the Tower of Valni.

Go into a skirmish/tower/ruins/whatever.

It will say "You can now use Ismaire".

She has a wind sword.

You can only get one...

unless you are really lucky.

The cyclops boss on the eighth floor in the tower...

...has a very small chance of dropping a wind sword.

In order to get the master sword you must have the noble sword. Then beat the game and it will transform into a Level 3 sword.