Troll Sience: how to fly. . TROLL SIENCE: HOW TO FLY Step l: train until you' re strong enough to lift your own kyr: next, grab a chair.. Note: Remember to train enough to lift the chair too. Troll Sience: how to fly TROLL SIENCE: HOW TO FLY Step l: train until you' re strong enough lift your own kyr: next grab a chair Note: Remember the too