Originally Posted by
Machcio
Yes and no. Koban in the last stage is the obvious cherry on top, however I believe it has usual drop rate for top item that can de drawn from lottery, which is around 0.2% as Semaphore counted few times. And I didn't get it even once after clearing this enemy. However from 25 tries I already got EVO emblem shard III twice. As far as I understand this item (usable ONLY on 3 star general when evolving to 4 star to get +10 on stats instead of +5, right?) it's usability is limited, but for now it's the only way to obtain it i guess and I plan to farm several of those.