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If you are asleep a2, use Sleep Talk (Psywave, Psybeam, Psyshock, Hidden Power)
If you are asleep a3, use Sleep Talk (Healing Wish, Psychic, Signal Beam, Hyper Beam)
giga drain -> mega drain -> giga drain
if he is underwater, then use Sunny Day the first time, Synthesis the second time, and chill the third time. Push actions back.
If he is under the effects of a P/E move, then use chill the first time and Synthesis the second time.