Vertical-scroll serials run to hundreds of episodes and readers binge them in a weekend, which means inconsistencies land hard. Kalan Vidhi is built for exactly that shape of story: a cast that keeps growing, a system that keeps escalating, and arcs that have to pay off much later.
Whether your world runs on cultivation realms, hunter grades, tower floors or awakened levels, define the ladder once with real breakthrough conditions and costs. Every character carries their current rank, so escalation stays legible and a character cannot skip three tiers between episodes without you noticing.
Plan arcs as complete dramatic units — opening situation, mandatory events, closing beat — then break each into episodes. The mandatory events are the promises you have made to the reader, and they stay visible until they are paid off.
Serials accumulate characters. The relationship graph and the faction records keep the political map readable when you are eighty episodes in and have introduced four new organisations since the last time anyone checked.
The living story state tracks where each character physically is, what emotional state they ended the last episode in, which plot threads are still open, and which scene types you have used recently — so the next episode does not repeat the one before it.