Drained
Leo's mind had worked fast on instinct, prioritising Momo's safety above all else.
The Vanguard worked to get Momo to safety first before everyone else. While he didn't wish his friends ill, he couldn't stand to see Momo harmed if he could help it.
As soon as Arthur moved, stabbing the invisible creature, he grabbed the archer's hand and that of the female Warlock, pulling them out of the way fast, urging them to take cover in the woods on the opposite side of their defensive circle.
The more his mind grew aware of the severity of their situation, the slower everything seemed to be moving.
His sense of danger went through the roof and seeing Arthur's expression switch from jolly to serious did not help the situation.
The white-haired boy wasted no time leaping into the fray and showed no signs of retreating as Edgar instructed.