The creatures in battle without a hero can now be subjected to the effect of good and bad luck.

Hourglass of the Evil Hour neutralizes luck only if it is positive. While under effects of negative luck the stack has a chance (-1: 1/12 -2: 1/6, -3: 1/4) to cause half the damage.

Fortune increases luck by +1 or +2 (or +3, if the hero has a specialty in fortune).

Luck secondary skill increases luck by +1, +2 or +3.

Halfling always has luck value of at least +1.

Arch Devil decreases enemy luck by -1 (-2 with HotA).

Rampart's grail building Spirit Guardian increases owners all heroes' luck by +2.

Rampart's Fountain of Fortune increases luck of defending hero by +2 when defending against siege.

Hourglass of the Evil Hour negates all positive luck.

Pendant of Courage increases luck +3 (gives also +3 to morale).

Still Eye of the Dragon increases luck +1 (gives also +1 to morale).

Cursed Ground entirely disables luck effects.

Clover field increases luck neutrally aligned creatures by +2.

Pyramid decreases a hero's luck by -2 if visited after the guards have been defeated.

Events may increase or decrease luck from -3 to +3.

Swan Pond increases luck +2 until next battle (also causes hero to lose all remaining movement points for the day).

Rally Flag increases luck +1 (and morale +1) until next battle.Mermaids increases luck +1 until next battle.Idol of Fortune increases luck +1 until next battle on odd days (+1 to morale on even days, and on day seven gives both luck and morale +1).Fountain of Fortune gives random amount of luck from -1 to +3 until next battle.Faerie Ring increases luck +1 until next battle.Thus, the final damage is not actually doubled. This additional 'lucky damage' is then affected by the various factors as explained in damage formula. Receiving luck when attacking means that the creature stack does additional base damage on top of the regular damage. However, this is not entirely accurate because the damage is not simply multiplied by two when lucky strike appears. There are several references in the game, that receiving luck during combat causes double damage. Hero's luck depends on equipped artifacts, possible luck secondary skill and/or visited Adventure Map locations. Additionally, Shadow of Death expansion introduced magical terrains that can affect luck modifiers. Creature stack's luck modifier depends mainly on hero's luck status, but can also be affected by spells ( Fortune, Misfortune) or creature abilities (e.g. Luck can also be neutral (zero), which means that a creature stack cannot get a 'lucky strike'. As can be seen from the table on the right, there are three levels in luck modifier: positive (+1), good (+2) and excellent (+3). Luck is a combat variable, that may cause a creature stack to do additional damage. For the secondary skill, see Luck (secondary skill). This article refers to the effects of luck in combat.

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