3 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

This card’s inherited effect reads, “you may trash 2 cards of the same level”. Does this mean I have to trash 2 cards that are the same level as this card?
No. This effect requires you to trash two cards in this Digimon’s digivolution cards that are the same level as each other. The level of this Digimon doesn't matter. For example, if there are two level 5 cards in this Digimon’s digivolution cards, you can trash both to prevent this Digimon from being deleted or returned to your hand or deck.
Ruled Mar 28, 2024
This card’s inherited effect reads, “you may trash 2 cards of the same level”. If this card is in this Digimon’s digivolution cards, can I include it as one of the trashed cards?
Yes, you can.
Ruled Mar 28, 2024
An opponent’s effect reduced this Digimon’s DP to zero, deleting it. Does this card’s inherited effect activate?
No. When a Digimon is deleted after its DP is reduced to zero, it's considered to be deleted by the game rules, not an effect. This card’s effect only activates when the card is deleted by an effect, so it won't activate in this instance.
Ruled Mar 28, 2024
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Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.