Platinum Shield

Under the guidance of the magic incantation, the gold coins in the sky instantly turned into dust.

Immediately after, a thick golden spear descended from the sky. It pierced through the sky and stabbed straight into the crater of the volcano.

Bang!

The golden spear nailed the red dragon to death in the belly of the volcano.

The illusion around him began to slowly disappear.

The familiar background of the magic classroom appeared before Matthew's eyes again.

Margaret's explanation continued,

" Dragon slaying of Capital will not require dragon scales or anything like that, but the premise is that you must consume 500,000 gold coins in one go or gold resources of the same value.