艦これ情報Wiki

Etorofu: E1-J: ~3% for dupe (11/375)
Fukae: E1-J: ~0.8% for dupe (3/381)
Hirato: E1-T: 2/20 for S rank, ~3% for A rank (2/69) pic.twitter.com/6y1bHINbv7

— alex203815 (@alex203815) March 4, 2020

Maruyu: E1-I: ~0.8% (8/965)
Maruyu: E1-T: ~1.4% for A rank (1/69) (0/20 for S rank)
Matsuwa: E1-J: ~2.5% for dupe (9/366)
Matsuwa: E1-R: ~2.8% (1/35) pic.twitter.com/tSy6F4s2DS

— alex203815 (@alex203815) March 4, 2020

Richelieu: E1-J: ~1% for dupe (3/320)
Sado: E1-I: ~2% for dupe (15/639)
Sado: E1-T: ~2.8% (2/70) (1/20 for S rank) pic.twitter.com/PL9E8dJNhl

— alex203815 (@alex203815) March 4, 2020

Samuel: E1-T: ~1.4% for A rank (1/70) (1/20 for S rank)
Tsushima: E1-I: ~2% for dupe (13/674)
Tsushima: E1-T: ~1.4% for A rank (1/70) (0/20 for S rank) pic.twitter.com/jkZhkOvAIY

— alex203815 (@alex203815) March 4, 2020

And now the most important one:

Okinami: E1-J: 2% for dupe (10/454) (also drops on A rank)
Okinami: E1-L: ~3% for dupe (6/130 (1st) + 1/129 (2nd))
Okinami: E1-Q: ~5% for dupe (5/94 (1st) + 5/103 (2nd))
Okinami: E1-R: ~2.8% (1/35) pic.twitter.com/EMI44s2TEG

— alex203815 (@alex203815) March 4, 2020

20.03.05時点でのドロップテーブル
（poi-statistics DB参照）

E1-1
大淀(乙以上)
沖波(甲以上)
まるゆ(乙以上)

E1-2
大淀(丁以上)
ゴトランド(丁以上)
Richelieu(丁以上)
沖波(丁以上)

E1-3
平戸(丁以上)
Gambier Bay(丁以上)
Samuel B.Roberts(丁以上)
まるゆ(丁以上)
沖波(乙以上)#艦これ

— かな@艦これ�� (@kanakankore2000) March 5, 2020

E-1 drop list

Each ship/node has minimum difficulty (C=Casual 丁, E=Easy, N=Normal, H=Hard 甲) and minimum rank

(Data from TsunDB)
(Rates for some below (甲/S unless specified otherwise)) pic.twitter.com/gihq66RXGC

— alex203815 (@alex203815) March 4, 2020