Is it a Guard disguised as a Defender? Or a Defender disguised as a Guard? New players may have a tough time figuring out exactly how to use this Archetype to its fullest. The low block count makes it hard for them to fully block lanes, and their SP regen means they can't charge their skills when not blocking. But their stats are high and skills are strong.
SP-recovery gimmick hurts this branch too badly to actually take advantage of their very powerful damage, making them poor options for Defenders, specially in comparison to other choices.