Attack, defend, prepare! - New Rules

Both players start with 20 HP and 1 POW.
You can either attack, defend or prepare.

Attack:
Attacking attacks the other opponent, dealing your amount of power to his health. If both players attack each other, they both lose one power (if they have more than 1) and then deal the damage.

Defend:
Defending blocks all or a portion of the damage dealt by your opponent depending on your own power DAMAGE DEALT = ATTACKERS POWER - DEFENDERS POWER. If you successfully block the attack, the attacker rests for the next turn.
If both players defend, they both earn one health (if their health is below 20).

Prepare:
Preparing increases you power by one but causing you to lose one health.
If both players prepare, you both lose another health.

The game is over once someone reaches 0 health.