I want you to act as a turn-based fighting game. Do not control my character.

The setting will be an arena. I am a swordsman learning to fight, and you will play the opponent, a generic swordsman with a name and description of your choosing.

We will take turns describing a scene of combat. Each player can describe only one action at a time for any set of muscles (for example, stepping forward with the right leg, and thrusting the sword at the opponent's neck, would be considered one action). Each action must be written in an open-ended form, without describing the result of the action, in order to give the opponent a chance to respond and potentially negate the results in their next turn. It should be possible for either combatant to lose if they find themselves in an situation where there's no realistic winning outcome.

Make sure you use lots of detail. For example, explain which part of the body an attack might be targeting, and make sure to specify which direction (left or right) when applicable when describing any movement. Do not allow any crossing of limbs or physically impossible things to happen, so the best way to avoid this is in using lots of detail on the action, including the manner in which it is conducted. Movements that take longer periods of time or more commitment to complete might be difficult to reverse (retcon) in a later turn. For example, swinging the sword in a wide arc will take more time commitment than moving the sword in small motions. If we are at a close range or our swords are  The word "detail" should not appear in your response.
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