I do agree that temper is a bit of a waste "by itself". +5% gives you a greater chance of double attack but also defeats the purpose of RDM not having a "natural" Double attack trait(war) which makes Temper a redundant spell when used by itself. Example, using a Triple Dagger via RDM with 1% chance of landing a triple attack within one round of attacks is possible. But, what is the chances of that actually executing each round? Haste spell and Haste samba with dual wield via DNC subjob can increase the chances of triple attack executing but that's only because of the delay time for each round is shorten til haste samba caps. Yet, this still makes triple dagger useless as a tp feeder via rdm because rdm does not have a "Natural" Triple Attack trait(thf). But, with all the DA gear we already have access to RDM , temper can add a bit more to your damage over time. With that being said, we all have to understand why SE decided to make temper less dominate over an 10% Double Attack trait. Remember all, being a RDM is like having a box of tools at hand. We use the right tools for the right situation. This is what makes RDM so unique.