Board Thread:Wiki Discussion/@comment-24.254.186.205-20130418124339/@comment-24453214-20141003182438

Megas are not nearly as attractive now that the Electric Fence is available. Yes, it has a higher level requirement. Just level up to 66, it's not that hard.

Really, I'm not sure any of the Premium units are worth buying anymore. Just wait for a good Promotional. Or a decent Secret Vault.