Wood

Wood is required for upgrading all buildings except farms. It is also required for training higher-level troops, research, healing and some Maester expeditions.

Boxed food can be obtained by attacking creatures or in rewards. It will go into your 'My Items' and cannot be stolen. Unboxed wood over your protected storehouse level may be stolen if your keep is attacked. It can be produced using sawmill plots at your Keep, prayed for at the shrine, or gathered in the following quantities: Boxed wood can be purchased in the store at a cost of:
 * Level 1 - 12,000
 * Level 2 - 16,000
 * Level 3 - 30,000
 * Level 4 - 54,000
 * Level 5 - 87,000
 * Level 6 - 130,000
 * 20K Wood = 45 Gold
 * 100K Wood = 200 Gold
 * 1M Wood = 1,500 Gold
 * 2.5M Wood = 3,500 Gold