This article is about the "Dewey" Medal.
You may be looking for the "Huey & Dewey & Louie" Medal.

Magic Attribute 231: Dewey
223: Dewey
Upright Attribute
Dewey
Donald's Nephews (1938)
One of Donald's triplet nephews, and the brains behind the operation.

Kana デューイ
Romaji Dyūi
JP Set 1
EN Set 1
Class Type Attributes
Common EXP Magic Upright
Effect
A ★ Magic Medal that grants a lot of experience.
Magic Attribute 232: Dewey
224: Dewey
Upright Attribute
Dewey
Donald's Nephews (1938)
One of Donald's triplet nephews, and the brains behind the operation.

Kana デューイ
Romaji Dyūi
JP Set 1
EN Set 1
Class Type Attributes
Common EXP Magic Upright
Effect
A 3★ Magic Medal that grants a lot of experience.
Magic Attribute 233: Dewey
225: Dewey
Upright Attribute
Dewey
Donald's Nephews (1938)
One of Donald's triplet nephews, and the brains behind the operation.

Kana デューイ
Romaji Dyūi
JP Set 1
EN Set 1
Class Type Attributes
Common EXP Magic Upright
Effect
A 5★ Magic Medal that grants a lot of experience.
Magic Attribute 234: Dewey
226: Dewey
Upright Attribute
Dewey
Donald's Nephews (1938)
One of Donald's triplet nephews, and the brains behind the operation.

Kana デューイ
Romaji Dyūi
JP Set 1
EN Set 1
Class Type Attributes
Common EXP Magic Upright
Effect
A 6★ Magic Medal that grants a lot of experience.

Dewey is a Common EXP Medal in Kingdom Hearts Unchained χ / Union χ.

Dewey, along with Huey and Louie, grants experience when fused with an Attack Medal.

Dewey Medals give more experience to Magic Medals. The experience granted is as follows:

Magic Attribute Other Attributes
★ Dewey 370 EXP 260 EXP
3★ Dewey 2,100 EXP 1,400 EXP
5★ Dewey 7,815 EXP 5,210 EXP
6★ Dewey 22,815 EXP 15,210 EXP

★ Dewey can be obtained by completing the EXP Medals: Magic I and EXP Medals: Magic II quests in the EXP Medals: Magic series of Special Quests on Wednesdays.

3★ Dewey can be obtained by completing the EXP Medals: Magic I, EXP Medals: Magic II, and EXP Medals: Magic III quests in the EXP Medals: Magic series of Special Quests on Wednesdays.

5★ Dewey can be obtained by completing the EXP Medals: Magic II and EXP Medals: Magic III quests in the EXP Medals: Magic series of Special Quests on Wednesdays.

6★ Dewey can be obtained by completing the EXP Medals: Magic III quest in the EXP Medals: Magic series of Special Quests on Wednesdays.

Dewey Medals can also be obtained by beating the Trickmaster or Trickmaster Ω Raid Bosses: 3★ Dewey from Trickmaster, 5★ Dewey from both Trickmaster and Trickmaster Ω, and 6★ Dewey from Trickmaster Ω.