In the ethereal depths, the fourth merman's aggression was met with the woman's unwavering vigilance. As he propelled forward with the streamlined grace of an aquatic predator, his serrated blade gleaming ominously, the woman's senses were already attuned to his every movement. Like a dance choreographed by the currents, she gracefully sidestepped his thrust, creating a fleeting vulnerability in his relentless advance.
Seizing the opportune moment, the woman's response was a testament to her profound combat prowess. With a fluidity that defied the constraints of underwater resistance, she maneuvered her spear with lethal precision. The metallic glint of the weapon became a fleeting comet in the liquid expanse as it found its mark, penetrating the merman's defenses and incapacitating him in a single, decisive strike.