Requirements: the chests will be received by players level 15+

The main reward is the Great Mosque of Herat (4,400 coins, 2-4 energy, 1-4 pearls every 22 hours, size 9*9, can be placed anywhere)

Each chest can be opened for 9 Summer keys.

There are 3 ways to get Keys:

Completing the quest:

Penpals I (3 keys)

Collect 20 Take-out boxes (Wok Cafe, Upgraded Wok Cafe)
Collect 9 Stars (Club, Concert Hall)
Ask friends for 5 letters to Slim

Penpals II (3 keys)

Collect 4 Seals (Administration)
Collect 10 Ties (Textile Factory, Upgraded Textile Factory - Silk)
Collect 8 Air Balloons (from friends’ cities - buildings with a clock or coin)

Penpals III (4 keys)

Collect 16 Satin flowers (Premium Cottage)
Collect 18 Pencils (Stationery Shop, Upgraded Stationery shop)
Collect 6 Paper Lanterns (School, Valley School)

2. Collect profits from the following buildings:

Bridge - 1 key every 24 hours;
Beauty Fair - 1 key every 8 hours;
Holstentor - 1-4 keys every 23 hours;
Armor-Stiner - 2-3 keys every 22 hours;
Rocchetta Mattei - 1-4 keys every 23 hours.

3. Use the sale offer!




Special offer with the Great Mosque of Herat chest event

Rocchetta Mattei: 4,500 coins, 2-4 energy, 1-4 pearls, 1-4 keys during the Great Mosque of Herat chest event every 23 hours;
Holstentor: 4,000 coins, 1-4 energy, 2-4 pearls, 1-4 Summer keys during the Great Mosque of Herat chest event every 20 hours;
Armor - Stiner house: 4,200 coins, 1-4 energy, 2-3 pearls, 2-3 summer keys during the Great Mosque of Herat chest event every 22 hours;
Memorial Church: 4,300 coins, 3-5 energy every 20 hours;
Eliseevsky shop: 3,850 coins, 1-3 energy every 22 hours;
Rotunda of Mosta: 3,700 coins, 1-3 energy every 22 hours;