Heroic Oswald’s Gold Loot Shield

[VenomSet]

It would be interesting to know how much his Shield increases Gold Loot?
Description just says “Gives a protective shield that also boosts Gold Loot and Luck Reroll Chance”

But how much? 1%? 10%? 100%?

[Endroids]

Normal Oswald; 15% gl and luck
Heroic Oswald; 20% gl and luck

Source:
2019 Arlorian Egg Hunt | Official Guide
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