Flame Burst buggy?

Is the flame burst skill bugged as a traversal skill? Too frequently when I try to use flame burst to travel, nothing happens. My character doesn’t transform into a fireball or move. Yet flame burst goes on cool down. Most of the time flame burst works as advertised when I press and hold the skill key to move. When I switch my traversal skill to teleport, it works everytime as advertised, everytime.

works fine for me

Do you have Flame Rush skilled to cast another spell? If you do, but you don’t have enough mana for the other spell as well, then that’s what happens.