There's no way to tell precisely without having read the 'death current novel'. But it's likely that there would be a protagonist who is either directly affected by the death current or is trying to figure out what it is. There might also be some supporting characters, like a scientist who has some knowledge about the phenomenon behind the death current, or a friend of the protagonist who gets involved in the adventure.
Since I don't know the specific 'death current novel', I can't say for sure who the main characters are. They could be investigators looking into the mystery of the death current.
Given that we have so little information about this 'death current novel', it's really difficult to name the main characters. However, if it's a mystery - thriller type of novel, there could be a detective - like character as the main one. This character would be smart, observant, and determined to solve the mystery of the death current. There could also be a victim or a potential victim who is somehow linked to the origin of the death current, and their story would be intertwined with the detective's investigation.
Chapter 335, "Songyang Ridge, Seven Clans Submit, First Shipment of Silver Arrives", is the clearest early answer because it pushes Deputy Director into a new phase or setting. The setup is In the past, getting married to a lord was wholly different from..., but the pressure keeps building through He exchanged a glance with Nie Xinchuan, a hint of hesitation....
Chapter 320, "Prototype of the Political System State, Intensive Follow-up Arrangements", is the clearest early answer because it pushes Hunting Teams into a new phase or setting. The chapter gives readers a real answer by opening on Here's the simplest example: Previously, the Camp Supply Department... and ending on Each district will establish the Six Departments to manage, similar....
Chapter 275, "The Stunning Sword Puppet, Vindication, Cloud Dragon Army", is the clearest early answer because it turns Cloud Dragon Army's situation into a concrete plot event. The setup is Xia Chuan's sword puppet is rarely shown in the camp., but the pressure keeps building through Except for the Cloud Jiao Team, most people have only seen its static....
Chapter 329, "Refining the Jade Dew Stone, Eve of the Cold Element Festival", is the clearest early answer because it turns Han Yue's situation into a concrete plot event. The setup is Xia City, Political Hall Upon returning, Xia Hong immediately..., but the pressure keeps building through Without waiting for a call, Li Xuanling quickly walked to the Cold....
Chapter 346, "Elite Warriors, One vs Three, Reason Behind the Beast Tide [10,000-Word Chapter, Continued Tomorrow]", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with Kill them!" As Xia Chuan's voice echoed, the six thousand soldiers of... and closes on At this moment, Xia Chuan wore no armor, only a red Viscount's formal....
Chapter 311, "Expulsion and Unease, an Overzealous Xia Chuan (Part 3)", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. The setup is On the contrary, Xia Chuan had several deep sword wounds on his..., but the pressure keeps building through His breath was erratic as he walked, and his injuries were obviously....
Chapter 343, "Five Cycles of Bone Tempering, 1,000 Zong Bone Burning in the Visible Yang Realm (Part 2)", is the clearest early answer because Xia Hong finally turns buildup into a real advancement. The setup is Next is the Small Ancestral Spirit Tablet, which not only adds a..., but the pressure keeps building through Taking advantage of the opportunity to add the establishment of....
Chapter 253, "Short on Meat, Short on Manpower, Someone Delivers (Part 2)", is the clearest early answer because it turns Qiu Peng's situation into a concrete plot event. The chapter gives readers a real answer by opening on Beehive 129, last night Hanqiong's 1259, with the newly added... and ending on Our stockpile of beast meat is considerable; if the population....
Chapter 259, "Mission, Helplessness, Ongoing Screening", is the clearest early answer because it turns Square Tripod's situation into a concrete plot event. The chapter turns that into something concrete by moving from In other words, Liu Peng in front of us is only twelve years old this... to But upon hearing the command from that captain of the Camp Supply....
Chapter 326, "Divide and Annihilate, Shattering Divine Light, Trump Card Activated! (Part 2)", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. Early on, Xia Chuan controlled the Sword Puppet, slashing open a Demon Sheep.... By the end, Meanwhile, the Striped Tiger's Blood Basin mouth arrived..