War of Sin and Virtue (5)

Abyssal Terra / 

Floor 2 / South Region

Year 2.5 /

Adam Tree's First Expedition /

At the time, the Abyssal Hunters having a hard time.They were stuck on top of the Adam Tree and couldn't continue to get down.

They were faced with an enemy they had never thought of before.

[Silver Wyvern]

A silver skinned wyvern that could only be defeated with a direct hit by a sword.

Weapon other than sword and a way other than direct hit was useless. 

Even Sword Saint cannot use his power against them. Even though his power could make him launch his swords and normally could kill them with that way. 

However, that was literally useless. 

Why they know Silver Wyvern can only be defeated by a direct hit with sword? 

Because one brave man thrown himself to the sky with a sword in hand, and killed one of the Wyvern.