While Saleen devoted all his attention to the process of absorbing the soul, the entire arena was silent. Most of the soldiers were already armed appropriately, but they had all stopped moving when they saw the assassin hanging onto the elf in a strange manner.
No one knew what happened, so no one dared to move recklessly.
If they moved forward, they might be misunderstood to be staging a rebellion; if they moved back, they might be seen as fleeing. When Lex trained her soldiers, the first thing she trained was discipline. The way these soldiers fought might still not be up to the standard of conventional armies, but their level of discipline was already sufficiently instilled.