Tonight, the World Enters the Age of Elves!

It's alright. It's all about aptitude; high aptitude makes you invincible. There's very little information on training or development; skill training is entirely up to you to figure out. Basically, it's about catching high-aptitude targets, then using those to dominate weaker opponents, then catching more high-aptitude targets to fight. That's absolutely right.

It's a good book with excellent content and a great writing style; it's definitely worth reading.

I've never understood whether this is about leveling up through battles or by eating and battling. It's alright, the upgrade method is explained later.

It looks great, keep it up!

It's acceptable.

It's well-written, just a bit short.