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Make moves that require recharge move such as hyper beam require the player no to have to select recharge, so it is quicker so just the opponent can make their move on the turn.
Secret Power is unaffected by Serene Grace when it should be. SP is on the list: https://bulbapedia.bulbagarden.net/wiki/Serene_Grace_(Ability) whereas Pokemon showdown mistakenly states secret power: "Has a 30% chance to cause a secondary effect on the target based on the battle terrain. Causes...