The Clan of Mist had spoken to the hero before their death.
「This treasure was injected by a curse」
Exactly as the Clan words.
Everything is moving towards the worst path.
And Nobody can stop it.
For the hero, he didn't have any dedication to the gold from the very beginning.
but, neither he could abandon it.
The moment if he had abandon it, the gold will be releasing out more radiance to attract a new owner.
Everything is just that obvious.
And at that one day, the curse bloomed.