Meltdown in the Magma Zone!

The Fusion Fighters escape from AncientVolcanomon's clutches, but Tactimon is coming to stop them.

Synopsis
After being discovered by in the dungeon, Mikey Kudo surrenders in order to prevent the casualties fighting in an unstable cave would create and hands over a false Fusion Loader in a show of fake. AncientVolcanomon orders for several to take them to the prison place, which was Mikey's plan to discover the location of the other residents of the Magma Zone. He tries to rally them, but their will has already been broken due to their own failed escape attempts, while is informed that his parents have already been moved elsewhere.

orders the execution of the Fusion Fighters and, upon being informed of 's capture as well, decides to attend the execution personally. On the other hand, Mikey manages to inspire the residents to finally act. Unfortunately, realizes that the Fusion Loader was a fake and has  and his troops waiting on the other side for their escape.

easily defeats the Meramons and managed to defeat SkullMeramon, only for AncientVolcanomon to intervene and handily beat Shoutmon X2. Mikey then digifuses, who still can't match AncientVolcanomon is a straight fight. Under Mikey's orders and with the DigiCard as a distraction, Shoutmon X4 plugs up AncientVolcanomon's volcano spout, which gives Shoutmon X4 the opportunity to defeat him. Their victory is short-lived, however, as Tactimon arrives on scene and reveals that Dorulumon was once his subordinate in the Bagra Army.

Digivolutions
(Number indicates order of occurrence.)

Quotes
SkullMeramon: "This is a fake!" AncientVolcanomon: ''"Whaaat?!"
 * —AncientVolcanomon misses the obvious.