Ah, the rain. Far superior to the sun, in the opinion of the Castform. The weather caused far more havoc in general, he thinks as Artemis's bolt of air cuts the Scyther down. An excellent shot, Madame. And then the flames burst from the Duskull, knocking his trainer out. Oh Kyogre! Even his rain wasn't enough to soften the attack! Very well, he was trained well by his trainer still. What has she taught you... Always keep range in your favor. That's why he had been prefered over Aquilla as of recent. Time to have some fun... The Castform flies forward in a swirl, ending 10m above 30S. Cast! (Drown!) He fires a torrent of water at the Pokémon that downed his trainer with flames.

Spoiler
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Water Gun
Water, Special
AC: (1d20)[1] 4
Damage: (1d12+29)[35]
If Crit: +(1d12+6)[15]

x1.5 from Rain