Shockwave(
    energy_cost: 0,
    buildup_duration: 500,
    swing_duration: 200,
    recover_duration: 800,
    damage: 500,
    knockback: TowardsUp(40.0),
    shockwave_angle: 90.0,
    shockwave_vertical_angle: 90.0,
    shockwave_speed: 50.0,
    shockwave_duration: 1000,
    requires_ground: true,
    move_efficiency: 0.05,
)