The Mamonas was cleaved in two!

This seemed too easy to him, but that didn't last long. The severed pieces grew, and transformed into two new Mamonas!

This was its Proliferation ability.

Due to the ability's inconsistencies, the Soul Guardians hadn't been able to figure out how it worked. 

Let's say that condition A is a prerequisite for its ability. When that condition is met, the Mamonas should copy itself. However, they found that the Mamonas wouldn't follow this set pattern, often choosing not to copy itself even when the conditions were met. 

In other words, they couldn't get the gist of it.

Thus, the Soul Guardians placed their hopes on Demon Sword Ubist. It was a soul rending blade, so they believed it could rid the world of the Mamonas once and for all. 

Kang Oh had a better idea. He used Demon's Descent, and summoned the King of Demonic Beasts, Ubist.

Grr!

It furiously glared at Kang Oh; it must be sensitive because it's hungry.

"It's whale hunting time. Eat to your heart's content," Kang Oh quickly said.

Bark!

Ubist sank into the darkness.

Kang Oh summoned Sara too. Her power originated from the Ice Soul, so she should be capable of freezing souls.

"I'm counting on you."

"Got it."

Sara soared into...