Efficiency, Stars and Ranking

Efficiency

Efficiency is the overall tank efficiency for earning tokens in Treasure battle mode. Efficiency is formed from three components: the rarity of the tank, the purchased stars for the tank, and the level. You can also increase Efficiency by taking part in rating battles and increasing your rank, the higher the rank, the greater the bonus.

Durability has a negative impact on efficiency once it drops below a certain threshold.

Efficiency only works in Treasure battle mode.

Stars

Stars are a bonus for increasing the Efficiency of a tank. There are 5 types of stars in total: Bronze, Silver, Gold, Platinum, and Diamond. When buying a star, it is installed in the cell in which it was purchased. If an entry-level star, such as a Bronze, was bought, it can be changed to a higher-class star, but the previous one will be completely lost, without the possibility of transferring it to another slot or another tank. You cannot change stars with a higher level for a lower one. Stars are saved when transferring the tank to other players.

LevelStar TypesPrice in $GTANKEfficiency increase by points

0

Bronze

100

5

5

Silver

250

12.5

12

Gold

400

20

19

Platinum

600

30

27

Diamond

1000

50

Ranking

There are 8 ranking ranges with each one having a different bonus to efficiency:

RankRangeBonus to Efficiency

0-1199

0%

1200-1399

20%

1400-1599

40%

1600-1799

60%

1800-1999

80%

2000-2399

100%

2400-2799

120%

2800+

140%

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