Looking for novels where people can improve their strength and skill in a game world to fight a threat in the real world, preferably this skill shouldn't be exclusive to the mc, other than that any genre is fine. No BL MTL is fine but please specify the website
Apotheosis of a Demon – A Monster Evolution Story Maybe something like this. https://www.novelupdates.com/series/apotheosis-of-a-demon-a-monster-evolution-story/
This Game Is Too Realistic - the mc summon people from his previous world to be a player in this world. They improve their strength so that they can fight against their enemy. My Iyashikei Game One Planet for Everyone! Building Science and Technology Civilization at the Beginning
My Genes Can Evolve Limitlessly: - Everyone gets a chance to "awaken" during high school - Those that do can enter another dimension (i.e. "the game") in their sleep once per day - If they die in the game world they loose all progress & items gained during that login and have to recover in the real world until they can enter again - If they survive until the end, they get to keep everything they obtained and take it to the real world
It's heavily foreshadowed at the beginning of the novel, though. The MC makes references off and on in nearly every arc about going back, too.
Don’t think it’s a big spoiler, if read out of context of knowing the history, but for peace of mind sake, spoiler tag added. You need to edit your own post to make the spoiler tag work, tho