Maybe in a fictional story, the crusaders are trying to find a cure for the black plague while dealing with zombie attacks. Comics often combine such elements for an exciting plot.
Well, they could be related in a post-apocalyptic comic where crusaders fight against zombie hordes during a black plague outbreak.
They could be tied together in a comic that takes place in a medieval setting where the black plague has turned people into zombies and crusaders are the heroes trying to save the day.
Chapter 172, "Shang Shaojing is Here Too?!", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Not only Shu Yan, but the entire internet was shocked when they saw...
Chapter 353, "Continuous Monsters", is the clearest early answer because it turns Wang Tao's situation into a concrete plot event. Early on, Wang Tao had consecutively opened 7 meteorites, and among them 5.... By the end, Unfortunately, Wang Tao didn't get his wish; it was another monster....
Chapter 420, "Who Says the Attacker Can't Attack the Attacker?", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from After choosing to defend, Guan Xiong quickly made a decision.
Chapter 498, "How can someone be so ugly?!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. It opens with .....If you don't love me, give my heart back, you traded love for my...
Chapter 272, "Jiang Fugui", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Lin Manru held the phone for a few seconds, expecting her daughter...
Chapter 500, "Nearing Home Brings More Fear", is the clearest early answer because it turns Jiang Mingyu's situation into a concrete plot event. It opens with The room, white and gleaming, was filled with a faint smell of... and closes on Truth be told, it would be a lie to say he wasn't scared..
Chapter 254, "Madwoman! She is definitely a madwoman!", is the clearest early answer because it turns Shi Xu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Just when everyone thought that Jiang Yan wouldn't last long and...
Chapter 507, "This Island is Not Clean!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Mu Ye held a hydrogen gun in one hand while he steadied himself...
Chapter 376, "I'm Just Afraid You Don't Need Me Anymore", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. It opens with The phone call fell into a long silence. and closes on A week passed like this before she finally brought gifts to the....
Chapter 484, "Gu Yu Returns to the Country!", is the clearest early answer because it pushes Jin Siyue into a new phase or setting.