pokemon sword shield - What is this half-filled explosion-like

I received a shiny Pokémon through the Surprise Trade, which I presumed as hacked due to the name of the trainer and Pokémon. I've received quite a few of these in the past, so I will take the held

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Weird star half full symbol meaning? : r/PokemonSwordAndShield

Pokémon Sword & Shield Pokédex •

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TM Locations - Pokemon Sword and Shield - Pokemon Sword and Shield

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Would a Monster Hunter be able to affectively hunt Pokémon? Like

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Anyone know what the little black and white explosion icon to the