Plundering was faster than mining

Samson pondered for a moment before speaking. 

"Very strong. I haven't seen her go all out, but there's no doubt that the vampire Lord we just faced wouldn't stand a chance against her. Her strength isn't just in her personal power; her castle's forces are also incredibly formidable."

Cain saw the seriousness in Samson's expression and knew he wasn't joking. Samson was conveying that the undead Lord was the most powerful Lord he had encountered so far. This meant that in a one-on-one situation, none of them might be able to defeat her.

Of course, Cain didn't include himself in that assessment. While he wasn't arrogant, he believed that even if he couldn't defeat the undead Lord, he wouldn't be easily beaten by her either.

"Alright, let's head back to the castle," Cain said.

....

On the continent of Arsen, in the White Rock Mountains.