I Am Invincible with Both Immortality and Martial Arts!

A thousand years ago, "Luo Tiandu", an ordinary young man on the earth, traveled to a world of immortal cultivators. After thousands of years of cultivation, he achieved enlightenment. However, at the last moment of his ascension to immortality, he encountered an "infinite thunder tribulation" and was struck by the thunder tribulation and fell on the spot! Unexpectedly, his soul did not disperse, but once again traveled to a world of martial arts practitioners, and activated a powerful golden finger called the "Immortal Martial Fusion System", which can freely fuse various cultivation techniques and martial arts to derive new and powerful "immortal martial arts"! The cultivation spell "Fire Control" plus the martial arts "Basic Sword Technique" are equal to the immortal martial arts "Burning Sky Sword". Under the Nine Heavens Divine Fire, everything will be wiped out! The cultivation spell "Thunder Drop Technique" plus the martial arts skill "Running Wolf Fist Technique" are equivalent to the immortal martial arts skill "Thunderstorm Seven Wounds". One punch turns thunder into seven wounds! The cultivation technique "Xuantian Creation Kung Fu" plus the martial arts technique "Purple Sword Heart Sutra" is equal to the immortal martial arts technique "The Technique of Ascending to Heaven with Sword". I have a sword, step by step... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.