How were samurai's tactics different from everyone else in war?

As the ruling elite of Japan, war was the Japanese samurai’s business and over the centuries would mould them into who they were as a social class. Samurai war tactics, strategies and customs would all change down the ages but a willingness to serve and even die for their lord was a constant, especially if the death of a samurai could be a glorious one in the heat of battle.

Surprising the opponent

Explanation:

In war, samurai used the art of stealth and secrecy to attack their opponent or enemy.

rosevelt. 1973. "slaves everywhere"