What is Unique ("Legendary") Upgrades in WoWs?These upgrades are called unique ("Legendary") for a reason:
- firstly, they can only be installed on specific researched Tier X ships.
- Secondly, they can improve some characteristics, further strengthening the specialization of the ship.
- Thirdly, you can get unique upgrades only for special combat missions and in the Research Bureau section of the Armory for 19,200 Research Points (you could also get them once for temporary resources).
Bonus: Crew experience, free experience, credits, medals, achievements, badges, e.t.c.