How to shiny hunt Sewaddle.

The fastest known Sewaddle shiny hunt is Walking in grass at Unova Route 20 in Black 2 — roughly 23.8 hours of active hunting. Every other game and route is ranked below.

Sewaddle

18 shiny-huntable encounters

Best huntWalking in grass

Unova Route 20

Black 2

23.8 hr

estimated time to shiny

Encounter rate: 35%
Shiny odds: 1/2731
Encounters: 7,803
Level: 2–4

Shiny Charm from completing the National Dex.

#223.8 hr

Unova Route 20

White 2

Method: Walking in grass
Encounter rate: 35%
Shiny odds: 1/2731

#32.3 days

Unova Route 12

Black 2

Method: Dark grass
Encounter rate: 15%
Shiny odds: 1/2731

Shiny Charm from completing the National Dex.

#42.3 days

Unova Route 12

Black 2

Method: Walking in grass
Encounter rate: 15%
Shiny odds: 1/2731

Shiny Charm from completing the National Dex.

#	Game	Location	Method	Rate	Shiny odds	Encounters	Est. time
1	Black 2	Unova Route 20	Walking in grassLv 2–4	35%	1/2731	7,803	23.8 hr
2	White 2	Unova Route 20	Walking in grassLv 2–4	35%	1/2731	7,803	23.8 hr
3	Black 2	Unova Route 12	Dark grassLv 40–42	15%	1/2731	18,207	2.3 days
4	Black 2	Unova Route 12	Walking in grassLv 36–38	15%	1/2731	18,207	2.3 days
5	White 2	Unova Route 12	Dark grassLv 40–42	15%	1/2731	18,207	2.3 days
6	White 2	Unova Route 12	Walking in grassLv 36–38	15%	1/2731	18,207	2.3 days
7	Black 2	Unova Route 20	Dark grassLv 10–11	15%	1/2731	18,207	2.3 days
8	White 2	Unova Route 20	Dark grassLv 10–11	15%	1/2731	18,207	2.3 days
9	Black	Pinwheel Forest Inside	Walking in grassLv 14–17	35%	1/8192	23,406	3.0 days
10	White	Pinwheel Forest Inside	Walking in grassLv 14–17	35%	1/8192	23,406	3.0 days
11	Scarlet: Teal Mask	Kitakami Road	Overworld spawnLv 7–60	3.33%	1/1365	40,991	3.8 days
12	Violet: Teal Mask	Kitakami Road	Overworld spawnLv 7–60	3.33%	1/1365	40,991	3.8 days
13	Scarlet: Teal Mask	Apple Hills	Overworld spawnLv 7–60	3.03%	1/1365	45,050	4.2 days
14	Violet: Teal Mask	Apple Hills	Overworld spawnLv 7–60	3.03%	1/1365	45,050	4.2 days
15	Scarlet: Teal Mask	Wistful Fields	Overworld spawnLv 7–60	1.82%	1/1365	75,000	6.9 days
16	Violet: Teal Mask	Wistful Fields	Overworld spawnLv 7–60	1.82%	1/1365	75,000	6.9 days
17	Scarlet: Teal Mask	Mossfell Confluence	Overworld spawnLv 7–60	1.64%	1/1365	83,232	7.7 days
18	Violet: Teal Mask	Mossfell Confluence	Overworld spawnLv 7–60	1.64%	1/1365	83,232	7.7 days