The dark sphere crossed fifty meters in the blink of an eye, but Billy still reacted on time to free himself from the control of gravity and then used Flash to the side. The summoner opened his eyes widely when that happened, and then his time to get terrorized finally came when Billy charged toward him.
The summoner used both of his arms and the remaining mana to block the attack while he jumped away to evade the attack, but in the end, he didn't have much time to use much mana. Billy got close instantly and then swung his spear, and when it got close to the enemy's neck, he used Gungnir.
