Ghosts Know What I Experienced - Chapter 26.2: Being your wife really is fortunate.

[Name: ??, Age: ??][Race: Mechanical Life][Profession: Mechanical Apostle][Level: Tier -6 (damaged)][Physique: ?????][Spirit: ?????][Description: A broken Mechanical Life, one of Mechanical God -'@#$^&#@@%^#!'s most advanced and powerful creations, from an advanced technological world.]“Is this the World of Gods? Can anyone become God? Then why am I still just a Tier-1 Spiritual planter?” Ram pondered, after looking at the Divine Creature for the first time.Ram reincarnated in this world without the ability to awaken any profession. As he celebrated becoming a Tier-1 Spiritual Planter, he discovered that Gods, Divine Beings, Evil Entities, and Nightmare Creatures were exploiting humans and other beings, manipulating them to harvest the power of Faith or Fear.Inexplicably, he became entangled in this conflict. But he was lucky enough to turn his destiny through... Evolving Spiritual Plants and Monsters using Life Energy and Spiritual Power, becoming Spiritual Plant Lord to fight against the Gods.[ Holy Source Seed: Sylvan Soul Tree][ Type: Source Seed][ Level: Same as host][ Quality: Holy][ Attribute: Life/Soul/Wood][ Description: A seed born from the fusion of the seeds of the Life Spirit Tree and Astral Soul Tree, transformed into a Holy Source Seed through a special method.][ Holy Source Seed Characteristics:1. As a Holy Source Seed born from both powerful entities it perfectly inherited the abilities of both the Life Spirit Tree and the Astral Soul Tree.2. Gains additional functionality with every upgrade.3. Binding the Holy Source Seed grants the host full access to all its abilities.][ Abilities: Life Spirit Tree][1. Life Spirit Body]: Converts the host's body into a Life Spirit Body, greatly increasing the host’s capacity for Life Energy and Spiritual Power by tenfold, while boosting recovery rate by 300%.[2. Kingdom Creation: Sylvan Soul Kingdom (Unopened)]: Upon activation, the Sylvan Soul Tree converts the host Spiritual Realm into a virtual forest that becomes the foundation of the Sylvan Soul Kingdom. This forest spans across dimensions, rooted in both the material and spiritual realms.[Effect]: The host becomes the Lord of the Sylvan Soul Kingdom, gaining the ability to expand and rule this virtual domain.][ Abilities: Soul Tree]:[1. Soul Tree]: At the heart of the Sylvan Soul Kingdom, the Lord can summon the Soul Tree, a sacred tree that acts as a conduit for life and death.[Effect]: The souls of those who die within or near the kingdom are absorbed by this tree, where they are nourished, healed, and can be reborn as Wood Spirits.[2. Soul Tree Seeds]: Host can create seeds of the soul tree that are connected to the mother tree, which can be planted outside the Sylvan Soul Kingdom.[Effect]: Souls absorbed by the Soul Trees are transported to the mother tree within a certain distance, depending upon the strength of the Sylvan Soul Tree.]

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

Will, a seasoned game designer, found himself reincarnated as the disposable villain in a cliché “kicked out of the party” novel. Faced with his inevitable tragic fate, he had one ambitious dream: to turn the pitiful “losers” from the protagonist’s harem into terrifying blackened bosses who would torment the protagonist!He taught the timid and cowardly wolf-girl maid to imprison the one she loves forever by her side.He trained the tsundere, sharp-tongued loli witch to make her beloved see only her in his eyes.He guided the cold and clueless half-elf princess to use…—

She is the slow-witted idiot of the Prime Minister’s Residence. Everyone bullies her. He is the most respected and unfeeling Prince, with frightening ability and absolute envy! Together, they are conferred an imperial edict of marriage.