Sure! Here's an example of a simple 5v5 PvP battle arena game implemented as a single HTML file, using JavaScript and pictograms for character selection:
To play the game, open the HTML file in a web browser (preferably on a smartphone for a better user experience) and select your character by tapping on one of the pictograms. The game will then randomly select an opponent character and simulate a battle between the two. The battle results will be displayed below the character selection area.
Note: This is just a basic implementation to showcase the game concept. You can further enhance it with additional features, such as more complex battle mechanics, game modes, and visual effects.