Potential Jewel+ 4

Slot size4
RarityRarity 11
SkillHeroics+2 levels

Skills

SkillLevelEffect
Heroics2While active, increases attack power by 5% and increases defense by 50 points.

How to get it

FeystoneChance for a rarity 11 decoration
Carved Feystone37%
Sealed Feystone55%

Decorations come from Feystones (and Melding). The chance is for any decoration of this rarity; the exact jewel inside that rarity is then rolled.

Data: Monster Hunter World: Iceborne game files (final version 15.11).