They don't need to be the same player, planeswalker, or battle that the creature returned to pay The Last Ronin's Technique's sneak cost was attacking
First, JPN cards historically trade at a 1540% premium over their ENG equivalents, especially in the SAR/MUR tiers where print quality and foil texture are noticeably stronger on the Japanese version
The Battle trap, gives the series the ability to beat over monster immune to battle destruction, like Blue-Eyes Twin Burst dragon, or just survive another turn
Promo Info BOOSTER WORLD CONVERGENCE [BT-21] CLOSECLOSE BT21-101 SEC Digimon Lv.6 Gaiamon Color White Red Form God/Appmon Attribute God Type Creation DP 13000 Cost 13 Digivolve Cost 1 5 from Lv.5 Digivolve Cost 2 5 from Lv.5 Upper Text [App Fusion] [Globemon] & [Charismon]: Cost 0 (If 2 such cards are linked together, stack the link card on top and digivolve.) Blocker Link +1 (Add 1 to this Digimon's maximum links.) [When Digivolving] [When Attacking] You may link 1 Digimon card with the [Appmon] trait from your hand or this Digimon's digivolution cards to 1 of your Digimon without paying the cost
This could represent the void of nothingness left after Diaboromon has endlessly consumed all data, and helps make it an even more terrifying Digimon than it already was from just its appearance
1 Tend the Pests
