Talk:Servant Strengthening Quests Part VII/@comment-4802891-20170731091948

Caster is Shakespeare with NP upgrade, from B to B+ / standard upgrade, better chance on Stun

Berserker is MHXA with Instinct upgraded to Ephemeral Shadowless Sword (刹那無影剣) : Quick performance up for 3 turns + Instinct on steroids

Ah... so they ARE capable of evolving Instinct to something better...