User blog comment:Starchythepotato/Oulu, Altri and Will Awakened! (7★)/@comment-199.241.147.35-20150616180653

I am wondering if Oulu/Zeldeus is worth keep evolving than 1 to 7* after all there is only 1 golem core. I currently have 6* Oulu (B/G/G) is it worth raising 2 of them? Going to sell the Breaker.