I HATE THIS GIY

Please help me defeat this man, he has a Persian that’s near level 6000 , a kingdra and palkia

At the end of the battle it tells me to use ice, water or grass yet they all get taken out in a few hits!

Please help me defeat this man, he has a Persian that’s near level 6000 , a kingdra and palkia

At the end of the battle it tells me to use ice, water or grass yet they all get taken out in a few hits!