You'll set down in Lentimas and immediately see that it's a volcanic red. After conversing for a while, as well as answering a question, Bianca will leave and you'll be free to explore Lentimas! If you ever wish to take the plane back to Mistralton City, talk to the woman next to the plane to.
There's no need though as you can use your Pokemon to Fly there whenever from wherever. Head east and enter the Pokemon Center. Check out the Poke Mart wares and talk to the old woman opposite the shop. She'll give you a Spell Tag . Exit, then head south and enter the building on the west side of the path.
Talk to the woman in front of the TV for TM57 - Charge Beam . Exit, head back to where the Pokemon Center is and enter the building to its left. The old man in the north-west corner of the house is the second Move Tutor of the game! He's willing to teach your Pokemon moves in exchange for Blue Shards this time.
The moves he teaches and the prices for each are as follows:
|2||Last Resort, Iron Defense|
|4||Magnet Rise, Magic Coat|
|6||Block, Hyper Voice, Electroweb, Icy Wind, Iron Tail|
|8||Aqua Tail, Earth Power, Zen Headbutt, Foul Play|
|10||Superpower, Gravity, Dragon Pulse, Dark Pulse|
Feel free to do business with him, then leave. Head back onto the runway and move north along the right side of it. You'll find a gap in the fence. Move through, then up the steps and grab the Fire Stone on the edge of the cliff. Head back to the Pokemon Center.
That's all there is to do here! Feel free to head east, out into Reversal Mountain .