Board Thread:Fleet's Prepared-ness/@comment-2A02:C7F:9608:CE00:9CFB:B39C:BB51:5C29-20170730121653/@comment-32548637-20171004135847

subs are for 2-3 (orel cruising), clear daily quest and farm fuel

and curry cruising (4-2) and farm steel and weekly quest (if you have time, it is very boring and super long quet)

for orel, 3 subs are enough

for 4-2 however, you will need 4-6, also lv 50 plus to be safe