Hello,
on EU, the next tier 10 discount the new Grille 15:

Discounts:

-From 1 September*at 07:00 until 1 October*at 07:00 CEST (UTC +2)
50% discount on purchasing the following German*vehicles:

  • Panzerjäger I
  • Marder II
  • Marder 38T
  • Pz.Sfl. IVc

30% discount on purchasing the following German*vehicles:

  • Nashorn
  • Sturer Emil
  • Rhm.-Borsig Waffenträger
  • Waffenträger auf Pz. IV
  • Grille 15

+50% Crew XP bonus on all vehicles discounted in the special
Missions

-From 1 September*at 07:00 CEST (UTC +2)*until 1 November*at 06:00 CET (UTC +1).
Vehicle Overview

Top of the Tree: Reward 1
Reward
  • x2 Crew XP*
Requirements
  • Random Battles only
  • Grille 15*only
  • 50 times per account
Conditions
  • Win a battle
  • Be in the top 10 players on your team by base experience earned (bonuses for the first victory, Premium Account, etc., will not be counted to determine the rankings)
Top of the Tree: Reward 2
Reward
  • 10 Personal Reserves: x2 XP for 2 hours
  • 10 Personal Reserves: x4 Crew XP for 2 hours
Requirements
  • Random Battles only
  • Grille 15*only
  • Once per account
Conditions
  • Win 50 battles
  • Be in the top 10 players on your team by base experience earned (bonuses for the first victory, Premium Account, etc., will not be counted to determine the rankings)



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