Beyblade Burst QuadStrike - Episode 20

"Invincible Shadows! Aiger vs. Bel!" (超ゼツ最強アイガVS 魔王ベル！！, Chōzetsu Saikyō Aiga vs. Maō Beru!!; Super Z Strongest Aiga vs. Demon King Bell!!)​ is the twentieth episode of the Beyblade Burst QuadStrike anime.

Description
Bel climbs his way to the top and earns the right to challenge Aiger for a chance to become the world champion.

Events

 * The Luminary Arena makes its debut.
 * Bel and Aiger face off in the Champion's Challenge Tournament's title match, with the latter winning.
 * Pax begins working on his own Bey.
 * Following his defeat to Aiger, Bel makes the decision to evolve his Divine Belfyre into Destined Belfyre.

Characters

 * Bel Daizora
 * Aiger Akabane
 * Belfyre
 * Pax Forsythe
 * Pri Forsythe
 * Ranzo Kiyama
 * Valt Aoi
 * Wakiya Murasaki
 * Hanna Suiro
 * Jinemon Daizora
 * Naru Akabane
 * Taiga Akabane (QuadStrike debut)
 * Kana Akabane
 * Señor Hanami
 * Dante Koryu (flashback)
 * Hikaru Hizashi (flashback)
 * Hyuga Hizashi (flashback)
 * Shu Kurenai (flashback)

Beyblades

 * Divine Belfyre Squadron-Q Guard-Q+Adventure-3 (Bel's)
 * Destined Belfyre D Gear-Q Gyro-Q+VS Gear-2'(Bel's; debut)
 * Zeal Achilles Giga-Q Massive-Q+Quattro II-10(Aiger's)
 * Ultimate Valtryek Legacy Variable'-9 (Valt's)
 * Gambit Dragon Karma-Q Zephyr-Q+Eruption-4'(Dante's; flashback)
 * Komet Helios Fyquor-Q Planet-Q+Zeal-2(Hikaru's; flashback)
 * Stellar Hyperion Diagron-Q Guard-Q+Xplosion-7'(Hyuga's; flashback)
 * Bolt Spryzen Xanthus-Q Quattro-Q+Jaggy-1(Shu's; flashback)
 * Lightning Pandora Twist-Q Fusion-Q+Still-7'(Pri's; flashback)
 * Twister Pandora Quacchu-Q Edge-Q+Rumble-4(Pri's; flashback)

Featured Special Moves

 * Zealous Shield (Zeal Achilles Giga-Q Massive-Q+Quattro II-10)
 * Zeal Breaker (Zeal Achilles Giga-Q Massive-Q+Quattro II-10)
 * Divine Shield (Divine Belfyre Squadron-Q Guard-Q+Adventure-3)
 * Divine Wrecker (Divine Belfyre Squadron-Q Guard-Q+Adventure-3)
 * Gambit Break (Gambit Dragon Karma-Q Zephyr-Q+Eruption-4'; flashback)
 * Twin Strike (Komet Helios Fyquor-Q Planet-Q+Zeal-2 and Stellar Hyperion Diagron-Q Guard-Q+Xplosion-7'; flashback)