Batman having a failsafe in the comic is mainly to ensure there's a way out of unforeseen and potentially catastrophic scenarios. It shows his meticulous planning and preparedness. Also, it adds an extra layer of complexity and intrigue to the storylines.
It's usually to deal with extreme situations or as a backup plan in case something goes really wrong.
Chapter 354, ", Meritorious Unit", is the clearest early answer because it turns Plague Demon Army's situation into a concrete plot event. The chapter turns that into something concrete by moving from Currently, we are at this critical point. to It was impossible to rely solely on the Dragonhawk Legion's forces....
Chapter 389, ", Capturing the Planet", is the clearest early answer because it turns Dragonhawk Legion's situation into a concrete plot event. It opens with Four hours of space combat had yielded some victories for the Tianma... and closes on Their current responsibility was to transport the landing troops.. The key payoff is that the chapter closes with He had joined the Dragonhawk Legion for only about a dozen years.
Chapter 456, ", The War Situation Changes Drastically", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter gives readers a real answer by opening on Both sides had learned their lessons, and the entire battlefield... and ending on After all, the premise for these star sectors and planets ceding....
Chapter 459, ", Cruiser Technology!", is the clearest early answer because it turns Cruiser Technology's situation into a concrete plot event. The chapter turns that into something concrete by moving from Now, "Overnight Success." Even higher echelons had already opened... to [Lunar-Class Cruiser Technology: Epic] No need for words, when Gu....
Chapter 391, ", Mr. Gu", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. It opens with All this being implemented within the Dragonhawk Star Domain meant... and closes on Although someone had flattered him by saying his efficiency was....
Chapter 357, ", Meat Mountain", is the clearest early answer because it turns Ge Wajia's situation into a concrete plot event. The chapter gives readers a real answer by opening on Normally, arriving at Fino City in this manner would be impossible. and ending on Yet, Psychic teleportation could break through physical distances but....
Chapter 409, ", Atonement Expedition, Independent Kingdom", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. It opens with When Matins was escorting Blaywins and the other eight to Rage Owl... and closes on Picking up eight old soldiers and saving a few thousand grace points....
Chapter 458, ", You Dare Too?", is the clearest early answer because it turns Alliance's situation into a concrete plot event. It opens with This man was the second largest landowner on Eagle Horse III, a... and closes on If they dared, why would they be bluffing in fear here?.
Chapter 374, ", Alliance Shipyard", is the clearest early answer because a shaky connection becomes usable in the plot. The chapter turns that into something concrete by moving from Moreover, building the ship's hull and then sending it to others for... to The horrific burning would cause severe geological activity, and the....
Chapter 392, ", Economic Reform and Development Plan", is the clearest early answer because it turns Alliance Government's situation into a concrete plot event. The chapter turns that into something concrete by moving from The Alliance system has always been overlooked by outsiders, yet it... to As soon as materials are in place and ranks are determined, many.... What makes it stick is that the chapter closes with However, while this mechanism exists, it's practically ineffectual.