You “master” a tank when you earn more Base XP in a single battle than the highest average Base XP earned in a single battle by 99% of players of that same tank within the past seven days. Simply put, just try and beat the average. This earns you 3x
Tank Mastery emblems!
If you attain mastery in one of the tanks below while the Tank Mastery mission is active, you also get a +100% (2 hours) 
Free XP Personal Reserve!
- Pz.Kpfw. 38 (t) n.A. Mastery
- WZ-120 Mastery
- AMX 50 100 Mastery
- AT 7 Mastery
Rewards:
- 1x Personal Reserves: +100%
Free XP (2 hours) - 3x
Tank Mastery emblems (restricted to tank)
Free XP (2 hours)Conditions: Get the “Ace Tanker” Mastery Badge in an
IV
Pz.Kpfw. 38 (t) n.A.
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
IX
WZ-120
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VIII
AMX 50 100
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VII
AT 7
Restrictions:
- Grand and Random Battles Only
- Once Per Account
- A-20 Mastery
- Strv 74 Mastery
- T-10 Heavy Tank Mastery
- T110E4 Mastery
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in an
IV
A-20
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VI
Strv 74
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
IX
T-10
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
X
T110E4
Restrictions:
- Grand and Random Battles Only
- Once Per Account
- Bat.-Châtillon 12 t Mastery
- Renault G1 Mastery
- Pz.Kpfw. VII Mastery
- ARL V39 Mastery
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in an
VIII
Bat.-Châtillon 12 t
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
V
Renault G1
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
X
Pz.Kpfw. VII
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VI
ARL V39
Restrictions:
- Grand and Random Battles Only
- Once Per Account
- Pz.Kpfw. II Luchs Mastery
- T-44 Mastery
- IS Mastery
- AMX 50 Foch Mastery
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in an
IV
Pz.Kpfw. II Luchs
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VIII
T-44
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VII
IS
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
IX
AMX 50 Foch
Restrictions:
- Grand and Random Battles Only
- Once Per Account
- M24 Chaffee Mastery
- Konštrukta T-34/100 Mastery
- AMX 50 120 Mastery
- AT 15 Mastery
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in an
V
M24 Chaffee
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VII
Konštrukta T-34/100
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
IX
AMX 50 120
Restrictions:
- Grand and Random Battles Only
- Once Per Account
Rewards:
- 1x Personal Reserves: +100%Free XP (2 hours)
- 3xTank Mastery emblems (restricted to tank)
Conditions: Get the “Ace Tanker” Mastery Badge in a
VIII
AT 15
Restrictions:
- Grand and Random Battles Only
- Once Per Account
