Hi,

there are many posts on the topic of Splinterlands and its benefits. Here are some of them.

@crypto-guides/what-is-splinterlands-dec

@kevinnag58/how-to-earn-more-splinterlands-dec-understanding-your-cards-to-improve-wins

What benefit can one derived there?

Anything you win by playing, be it DEC token or new cards from the game is a benefit 😎