This map has just draftable hero
You could also Farm Magic Jewels from the following NPC
- Shanee (High Odds)
- Koonan (Medium Odds)
- Jimdoo (Low Odds)
Apart from this Mizuma Legion Pr has a High Odd to drop 2-5 Magic Jewels
- Completing map gains (20 Blood Jewels, 10 Magic Jewels)