To Ele Staff 5-8 or not.

idk maby they rolled a dice or something
and why is explode the only skill that uses wep speed? And what about Evans getting the boost without penalty to dark skills?

Because explosion's delay is based both on your attack speed and cast speed (as a sum). It's also why Explosion has such a weird behavior when compared to any other magician skill.

Explosion actually doesn't deal damage as soon as you press the button, there is a little delay from between the skill animation start and when it does damage. That way jump-casting explosion with a very fast weapon can make you fire it mid-air and hit higher than normally or down-jump-casting and getting it to fire before you hit ground so you are already free to teleport/whatever before you hit the ground and the monsters are already dead.

Anyway, little tricks of a FP lover.