Yugi’s plan is brute-force math: overwhelm the single-use trap with multiple weak attacks. Roku laughs. He reveals the true horror of Armor Exile . When it destroys a monster in battle, it can absorb that monster’s spirit, increasing its own ATK by half the destroyed monster's ATK. After absorbing a Kuriboh token (which has negligible ATK), the boost is small—but Roku then activates Burning Spear , a Spell that forces Yugi to send a monster from his hand to the Graveyard. Yugi discards Big Shield Gardna .
Yugi activates , which allows him to activate Spells without paying their costs (typically Life Points). He then plays Monster Reborn a second time (normally illegal in the anime, but the tomb's magic bends rules) to revive Kuriboh . Yu-Gi-Oh- Duel Monsters Episode 166
Dark Magician Girl is absorbed into the armor, her eyes turning hollow. Roku then sacrifices her to pay the maintenance cost for , sending her to the Graveyard. Yugi is horrified—not just at losing his monster, but at the cruel, parasitic nature of his opponent. Part 2: Yugi's Counterattack Realizing direct attacks are useless, Yugi changes strategy. He uses Kuribabylon 's effect: by multiplying the Kuribohs, he creates a swarm of fluffballs. He then activates the Spell Multiply to split Kuribabylon into a legion of Kuriboh Tokens (each 300 ATK). Yugi’s plan is brute-force math: overwhelm the single-use
He thanks Yugi for giving him a true duel that finally satisfied his spirit. The stone platform lowers, and the exit to the tomb opens. Yugi, Téa, Joey, and Tristan escape back to the Kame Game Shop's basement, where they find Grandpa (Sugoroku) safe and sound, having been knocked out earlier by the tomb's guardian. When it destroys a monster in battle, it
slashes the tiny Kuriboh. It explodes into a brilliant white light. The light expands, consuming Armor Exile completely. Roku watches in disbelief as his 2400+ ATK monster disintegrates. The effect deals 2400 damage to Roku's remaining Life Points (1300 → 0).