6 points quite fast to get to

25DB gets you a 3 point captain if you need to start fresh and to reach six points is very fast

on captain skill..i dont have any captain with 15 points  so hard wana reach 15..my budyonny 13 points also i fedup already wana grind

buy tirpitz buy scharnhorst also 

At lease ur Tirpitz got tier 3 captain skill, which is very useful. You can pick rather Torpedo Alert (improve ur torpedo beat) or Extra Consumable (Health pack). I mean to improve ur driving skill & protect yourself from metal fishes, something like this...
Welcome to The World Of Torpedoes......
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Well as PowerSlide mention, getting 6 captain skill is not hard if you know to do it. 3 point from DB purchase and another 3, you just farm in in Co-Op with ur Tirpitz, since it premium ship & you get extra exp as bonus. Tirpitz is premium ship, so you can jump any German captain in any ships to her without any training penalty point. Any premium ship do the same as well.
Farming Tirpitz setup skill.
[attachmentid=7603682][attachmentid=7603684]

Suggest you get yourself premium account for better income and exp bonus, its really worth if you wanna farm any German captain line. Plus if your Tirpitz got massive damage (nearly die) or sunk (more worse), the repair bill is quite make you pain. Heavy damage cause you nearly 60k & sinking her will cause u nearly 100k alone - just for repair itself & this not include ammunition restock or other consumable. See the repair bill between premium and without premium acc.
[attachmentid=7603326][attachmentid=7603331]

If you just planning to use Tirpitz for farm credit and exp to get unicum cap fast, just use her in Co-Op (many people do that anyway, you will see many Tirpitz in Co-op instead of playing her in Random Battle, unless you really good enough playing high tier battle (7,8,9, 10) or enjoying playing happy camper, most player with high tier ships BB and CA enjoy playing cheeky game. The credit you gain from Co-op & Random almost the same amount; unless you gain any achievement in Random battle.

Comparison between credit from Random & Co-Op battle, both of them doesn't use any flags or mission reward. Just using premium camo & premium acc. Doesn't seem huge margin, exception with exp???(double bonus in random).
Credit for win in Random Battle
[attachmentid=7603558]
Credit  for win in Co-Op battle
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But if you feel manly enough to play with Tirpitz in Random mode, set her up with brawling mode skill & go closer to ur enemy. Hug the island while moving & the camo from Tirpitz really help a lots when moving along it. If you see any DD coming around 7 km, use Ctrl+Left Mouse to engage ur secondary gun to the target & let their do their work. Enjoy ur scene by watching them get rekt by ur secondary "Atlanta".

Tier 10... No Problem....
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AND If you feel truly Man Of Steel enough, point your "giant middle finger armor" bow to the front when charge towards enemy sniper BB since you front armor is immunity to enemy's shells.
Get closer to enemy BB, so they cant run and been corner to end of the map. You send them warm regard with you torpedoes, then watch & laugh to those happy camper snipers for their inability to kill you from far.
[attachmentid=7603655]
At lease he got ending part...

Sorry for TL:DR post

not exactly a stress free session...






never had so many dds coming after me before...
on top that, felt like every ships taking pot shots at me too.
luckily, sank the last dd thus ending the game with about 5% hp remaining.
should've have use a dragon flag with that one, oh well...

after playing genvny now i'm interested at leningrad