These codes are for the Armageddon’s Blade addon, where the standard codes for HoMM 3 do not work.
Heroes of Might & Magic 3: Armageddon’s Blade Cheat Codes Free Download
To enter the codes, press [Tab] during the game, then type:
nwcpodracer – Infinite Movement Points
nwcdarthmaul – 10 Death Knights
nwccoruscant – completely build up the castle
nwcwatto – 100 units of each resource and 10,000 gold
nwcpadme – 5 archangels
nwcr2d2 – gives the hero all war machines
nwcquigon – Raises the hero to a higher level
nwcprophecy – completely opens the obelisk map
nwcrevealourselves – reveals the whole map
nwcmidichlorians – the hero gets 999 mana and all spells