If you can put points into Teleport, you can use it. o_O
If you have a point in Teleport, use it by holding down an arrow key, then pressing your Teleport key at the same time. You can also hold down the Teleport key to Teleport again as soon as the skill will let you. You will walk a few steps in between Teleports.
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Teleport has no prerequisites on an normal magician, so I assume that Blaze Wizards are the same way. You should be able to put points in it right away.