WildKOT
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Light hair dye.
Reduces the hero's knowledge by 2, but protects against spells that affect the mind.
Magical mini-smelting workshop.
A war machine that does not appear in battle. Allows you to gain gold by dismantling mechanical units destroyed in battle.
Whip
Allows you to speed up the army by 25% of its normal speed, but causes losses (however, only for armies that do not have enough action points).
Gingerbread
Allows you to speed up the army by 10% of its normal speed, without losses.
(These artifacts can be combined to achieve a +30% effect without losses).