As we have reached the "end-game" of the popular mobile game "Pokémon GO," we will now shift our focus from catching them all to becoming one of the best gym leaders in the land.

For aspiring gym leaders, strong Pokémon are a must, and this is where all your hard work catching and evolving Pokémon will go. To stay as a gym leader, you must know which Pokémon to use in battle and defending your gym.

Here are some tips on how to become the very best gym leader in "Pokémon GO."

Best Pokémon To Use When Attacking Gyms

Before becoming a gym leader, you must take over one of the many gyms in the area first. Unless you are lucky enough to find an unoccupied gym, you must know which Pokémon is effective in taking down enemy gym leaders.

Here are the best gym attackers in "Pokémon GO": Dragonite, Arcanine, Exeggutor, Vaporeon, Charizard, Blastoise, Flareon, Venusaur, Nidoking, and Victreebel. These Pokémon will be highly effective against most defenders, but remember to take note of their weaknesses as well.

These are also good alternatives: Raichu, Vileplume, Golduck, Machamp, Cloyster, Gengar, Starmie, Gyarados, Kabutops, Nidoqueen, Magmar, Poliwrath, Wigglytuff, Slowbro, Muk, Snorlax, Lapras, Alakazam, Golem, and Omastar.

Best Pokémon To Use When Defending Gyms

After successfully taking down the gym leader, the next step is to make sure you defend your newly acquired property accordingly.

Here are the best gym defenders in "Pokémon GO": Lapras, Dragonite, Poliwrath, and Snorlax. These Pokémon have the perfect balance in terms of offense and defense, and are the most effective when guarding gyms.

Here are the alternatives in case you don't have the above mentioned Pokémon yet: Gyarados, Slowbro, Muk, Clefable, Wigglytuff, Nidoqueen, Machamp, Nidoking, Blastoise, Venusaur, Vaporeon, Arcanine, Charizard, Victreebel, Exeggutor, Golduck, Vileplume, Dewgong, and Hypno.

Check out our "Pokémon GO" section for more tips and strategies!

Sources: RankedBoost | GamePress