Mega Swampert was just as excited. It could hardly wait to defeat the powerful Mega Aggron before it.
After receiving Zhang Cheng's command, Mega Swampert used all four limbs to continuously absorb the energy contained in the ground.
Its entire body became like a cannon, channeling the energy absorbed through its limbs into its mouth before spewing out large quantities of mud infused with Ground-type power.
Countless volleys of mud shot out, striking Mega Aggron's body.
The exhausted Mega Aggron was driven back again and again by the mud. Injuries kept appearing across its body, and its HP plummeted.
"Mega Aggron, defend yourself! Use Protect!"
This is bad, Chen Shan thought at the sight. He hurriedly ordered Mega Aggron to use a defensive move. At the very least, it needed to withstand this wave of attacks from Mega Swampert.
Mega Aggron heard Chen Shan's command, but the constant barrage of mud left it unable to absorb energy and create a barrier.
The slightest attempt Mega Aggron made to gather energy was interrupted by the endless volleys of mud.
In the end, Mega Aggron failed to withstand Mega Swampert's relentless bombardment, and its HP rapidly dropped to zero.
After it lost the ability to battle, Mega Aggron's body began to shrink. An exceptionally pure surge of Steel-type energy flew out of it and returned to the Evolution Crystal in Chen Shan's hand.
Without the Evolution Crystal's power to sustain it, Mega Aggron reverted to Aggron.
"Thank you for your hard work, Aggron." Chen Shan recalled the defeated Aggron, then looked at Zhang Cheng on the other side of the battlefield and spoke.
"You're even stronger than I expected. Next, I'll send out the final Pokémon for this assessment. If you can defeat it, you'll earn the title of Champion-level Trainer."
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