Channeled spells can be cast without movement penalty

Channeled skills can be used without the movement speed penalty from using skills while moving. This can be done by quickly double pressing the skill button and then holding the button down. If you do this fast enough, the skill will maintain the channel during the double press but allow you to move at full speed afterwards. This works with both Flameblast and Incinerate. However, I could not replicate this bug with Bonestorm or Volcano so it appears that only some channeled skills may be affected.