speed Decrease Per Defense Point
The speed decrease per armor defense point. See: https://minecraft.fandom.com/wiki/Armor#Defense_points Max multiplier is 20 points (full diamond or netherite armor). For context: Minecraft default Player speed is 0.2 This means that with full diamond armor, the player will move at 0.2 - (20 * speedDecreasePerDefensePoint) blocks per tick.