Knight Cultivator in the Abyss

This book takes you on a journey to one of the most terrifying and mysterious planes in the multiverse: the Bottomless Abyss.------------ A knight abandoned by his lord, forced into self-exile in the abyss. By chance, he obtains the inheritance of a cultivator. What kind of stories will he encounter? ------------ Book Club 1158759173. The setting mixes the 3rd and 5th editions, strictly adhering to DND rules except for the protagonist's profession, but fully caters to readers who have never played the game, allowing everyone to read without any obstacles. ------------ This book is also known as Mortal Knight's Cultivation Story.