Chapter 339: An Endless' True Relic, The Hidden Laboratory's Boon

While Kieran was inside the Ancient Rune Oasis attempting to become the next Mystic Runemaster, Agatha took the time to ask Hekaina a number of vital questions. 

Although she had never mentioned it to Kieran, these questions were partly why Agatha felt somewhat aggrieved while in Kieran's presence.

Having her master put faith in someone else left a sour taste in Agatha's mouth. It made her feel as if, despite her unprecedented talent with the mystical arts, she wasn't enough in the eyes of her master.

However, because of the adoration she received from her doting master, Agatha knew that it was nothing personal. 

Nevertheless, she still couldn't help but harbor a hint of resentment, though it was not aimed toward Kieran. Instead, it was towards her inability to subdue the Archaic Verity Compendium when she tried.