If a hero without free space in a backpack is trying to dig, he's getting 'Searching for the Grail is fruitless. Artifacts from creature banks taken with a full backpack will fill all the free slots, but it not always works with artifacts from a defeated enemy hero. Any artifacts obtained from creature banks or defeated enemy heroes without the free space in artifact slots or in the backpack will just disappear. The backpack can hold up to 64 unequipped artifacts and when it is full, no more artifacts can be picked up even if its slot is empty. If the slot is not free, the artifact is stored in the hero's backpack. When a hero picks up an artifact, it disappears from the map and takes its place in an appropriate slot. Special artifacts, such as Spell book, War machines and Grail have their ways to be obtained.

Artifacts are items that can be found on the Adventure Map, obtained from objects on the map, defeated enemy heroes, from previously fired, retreated, defeated in battles with neutrals or disappeared after losing the last town heroes in a tavern, gifted by an allied hero, bought from the artifact merchants or got as a starting bonus.

Heroes 3 combination artifacts