The Portal Descends: Even the King of the Underworld Must Keep the Peace

Traveling Back and Forth Between Two Worlds, with the Ability to Bring Supplies to Other Worlds

Stories with either male or female protagonists are fine.

Novels About Taking 100,000 Modern Soldiers to Ancient Times

A military force transmigrates.

A Modern Army Waging War in Another World

Looking for books like Modern Technology from the Start: The Other World Is Stunned!

Looking for Novels with Overwhelming Firepower, Heavy Weapons, and No Saintly Protagonists

Any genre is fine, including urban stories and spiritual qi revival.

Apocalypse Novels with Explosive Military Growth, but No Red Alert!

Looking for books like "Apocalypse: An Infantry Squad Shakes the World". This one is excellent, a standout apocalypse novel about building up a powerful army (not a Red Alert story)!

Leading a Modern Army to Invade Another World

Protagonists with Systems and Modernized Armies

The Protagonist Can Open Portals and Bring a Modern National Army to Develop Another World

I want to read books like I Open Up a Portal to Another World and Lead My Country to Expand Its Borders. Any more stories where the protagonist can open a portal to another world and bring the country's military in to develop it? I've been really into this kind of book lately.

Looking for a Novel with a Modernized Army from the Start

Looking for books like "Sorry, My Interstellar Fleet Only Recruits Female Soldiers"

System, Armies, Summoning, and Mass Troop Deployment

I'm looking for something like "From the Start, I Became Commander-in-Chief and Built a Future Tech Empire".

Any Novels with Missile Barrages and Large-Scale Modern Warfare?

Looking for books similar to "Flying Immortal Warships: I Cultivate as a Battleship in a Fantasy World".