Klad and Ghaarsh descended the well after Brent had cleared the way. The darkness keeps increasing as they descend down, it would really help if they had come here in the day but last they have no choice.
Arriving here late afternoon was inevitable. Brent had also watched the fight and saw no point in Leon's struggle. The price has proclaimed that all of them are his people, but in reality, none are.
So Leon struggling to fight felt pointless to him but maybe there was something he couldn't see. However whatever it is it, better be effective because after he finds this potion and changes Theia's circle, they'd be cut loose.
And that thing is right down here, in the king's chamber. At least that's what it was called in the book.
"What the...!!"