The Unknown Creature

Chad's memory was suddenly jogged, a spark of recognition ignited within him as he pieced together the mystery before them.

"I remember now! Those four-armed, three-eyed entities... they were connected to the Darkness Possession ritual…" He exclaimed, a look of revelation dawning on his face as he solved the cryptic connection.

In order to delve into the arts of the Dark Faction, one had to undergo the harrowing transformation brought about by the Darkness Possession Potion, a potent elixir that demanded a profound alignment with the Darkness. 

A lot of people, especially those ordinary people whose lineage doesn't belong to any Arcane Family, died because of this process. Vale knew about this very well.

Chad himself had braved this ritual, risking his life and sanity in his pursuit of mastery over the Dark Arts. Well, because of his family, the risk was certainly lowered a lot.