Core units are the lowest level of creatures in Might & Magic: Clash of Heroes, below elite units and champion units.
Three core units of the same color placed in a vertical line will form an attack, but three or more units aligned horizontally will form a defensive wall. In the story mode, core units don't need to be replenished when they die, unlike elite and champion units.
All factions have access to three core units.
Might and Magic: Clash of Heroes 
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| Characters |
| Anwen · Godric · Fiona · Aidan · Nadia · Findan · Sir Varkas · Markal · Jezebeth · Cyrus |
| Azexes · Count Carlyle · Ludmilla · Lorhish · Azh Rafir |
| Alexei · Delara · Euny · Evelyn · Emperor Oleg · Lasir · Lord Edric · Rolly · Sir Strata |
| Factions |
| Sylvan · Haven · Necropolis · Inferno · Academy |
| Locations |
| Irollan (The Deep Forest - Hunter's lodge - Druid tree - Forest's edge) |
| Holy Griffin Empire (Main Square - Unicorn Duchy district - Sleeping Stag Inn - Carlyle's Keep - Talonguard Castle) |
| Heresh (The Netherworld - The Catacombs - Nar-Harad - Eternal Shrine) |
| Sheogh (The Demon Realm - Screaming Hag Inn - Mount Nebyrzias - Char-Hasa) |
| Silver Cities (Gemstone Spire) |
| Artifact · Attack · Battle Puzzle · Bounties · Boss battle · Champion unit · Chain · Charge time · Core unit · Elite unit · Fusion · Gold · Hero spells · Linking · Ore · Power · Ruby · Talonguard Arena · Toughness · Wall |