good is a very vague term your build has an interesting idea energy build is pretty cool on ultis cluster has been know to do top notch amounts of damage, with a buffers in general you have to work with the two long "support" skill chains if you look at these chains for an energy build I would be tempted to do this because you dont need to go down the second chain for the props buff which you would do on a chef and as the clusters use a lot of skill points,http://dbocom.com/tools/skill-calcul...3004331104100/ As an ulti the lp% buff is what makes you such a good buffer and support role class so I would make sure you max that... I might add I have never played an ultimate majin I am just working from overall game knowledge.
Oh I like that build but I wanted dynamite horn maxed so I could do decent pvp damage while knocking down my opponent By the time the opponent gets back up its usually regenerated around the time a bit after or exactly after he gets up
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