Which one should I research and get to use to grind Rank VI?

Game Discussion Realistic Battle
,
1

image
image2557×1597 210 KB

Which one should I research and get to use to grind Rank VI?

2

which one should i use for grinding rank VI

3

Ho 229 it’s so fun
image

4

15bis

5

ok thanks

6

its too late, because unfortunately i didnt research the FW-190 line