Note: This method will get you the 6 achievements related to the Spanish.
In the map editor, create a scenario with 2 players, both Spanish.
Place 1 Archer for Player 2 (Red) and surround it with 8 Arbalests for Player 1 (Blue).
Test the scenario 100 times.
1x Archer for Player 2 (Red) and 8x Arbalest for Player 1 (Blue)
After testing the scenario once, you'll get:
After testing the scenario 10 times, you'll get:
After testing the scenario 20 times, you'll get:
After testing the scenario 50 times, you'll get:
After testing the scenario 100 times, you'll get: