YO. WELCOME TO PC!
That's awesome, you won't regret making an account! Let's see, there's the Hack section where you can play hacked games or be a hacker yourself! There's Game Developments, Pokemon Games they made! There's roleplay sections where you can rp, if you have an interest in it! There's Pokemon Trivia- Pokemon forum games! There's also each forum for Pokemon Generations to Pokemon Ruby to X and Y! There are Pokemon Clubs to join too! If you have an interest in building teams and competitive battles or trading, Current Generation Pokémon Gaming is the forum for you!
Oh hey, you can read fanfiction or write a story to share! Why not head to Challenges? Take a challenge! Why, you can also discuss the episodes of at Pokemon Anime! Pokemon General- they have Pokemon Manga discussion or show off your merchandise!
But of course, there's topic for non-Pokemon, you can see the section below! Entertainment & Hobbies section and Off-Topic Discussions are the non-Pokemon forums! Games, serious discussions, Mafia, Clubs, Anime & Manga that covers non-Pokemon subjects!
...Oh, I practically listed them all. xD Other than that, you can make friends and chat, chat, chat! C: Socialize! Broaden your horizon! There's many places to visit, finding the right places for you to stay and many people to be friends with!
Hope to see you stick around and have fun! ENJOY!