How do you get horses on Samurai warriors 3?

You can't get horses in Samurai Warriors 3. The game does not feature horses as a mode of transportation or combat.

However, you can use your character's special abilities (Musou attacks) to quickly move around the battlefield and engage enemies.

If you are looking for a Samurai Warriors game with horses, you can check out Samurai Warriors 4 and Samurai Warriors 5. These games feature horses that you can ride and use in combat.