The white glow produced by Mass Human Immobilization Spell spread from the staff in Li Si's hand, enveloping the entire Mermaid.
Other than Li Si, everyone was covered in a peculiar white radiance, frozen in place as though they had suddenly turned into wooden dolls.
The ordinary sailors went without saying. They had already been unable to resist the Sirens' song and were slowly shuffling toward its source.
Even after being restrained by the immobilization spell, their faces were twisted as they struggled to break free and continue forward.
It was as though something tremendously alluring lay ahead.
The Silver-level crewmen and mercenaries could not fully resist Li Si's spell either, but since they no longer needed to expend Mental Power controlling their bodies, they could focus entirely on resisting the Sirens' song.
Aside from Li Si, only Aivar, the mercenary from the Bertich Kingdom, seemed unaffected by the Sirens' song.
He had also been immobilized at the bow, but his experience told him at once that this was not an enemy spell. It was meant to prevent the crew from being lured overboard by the Sirens.
So he did not resist in the slightest. Instead, he signaled to Li Si with his eyes.
Li Si nodded at him, then cast Flight Spell on himself and flew toward the source of the singing.
A Siren's song was effectively a large-scale control skill. There was little point in helping only a few people break free.
Li Si had not learned any priestly skills, so he lacked the means to remove control effects over a wide area or bolster his companions' mental resistance.
To be honest, Li Si had never really noticed when he was alone, but now that he thought about it, priestly skills really were quite useful.
Li Si still