Summon ally unit/Transform self/Transform enemy unit into ally unit
- Dryad: summon Sapling/transform enemy unit to Sapling
- Sapling: Turn into Tree
- Slime: if attacking, transform into GiantSlime
- GiantSlime: if attacked, summon 2 ally Slimes
- SoulKeeper: transform enemy unit to Ghost
- Lich: summon Skeleton
- Vampire: transform self (demote) to common Bat
- Prince: on kill, transform (special promotion) to King (except if King is still alive)
- Phoenix, PhoenixEgg: Transforms to opposite versions of their respective selves
- Sylph, AirElemental: On successful enemy push, transform to higher tier version.
"Transform" and "Promotion" are both representative of when a unit changes, but Transformation is not consistent. Here is a table of the behaviors of transformations and promotions.
| Unit | Ability | Death Square? |
|---|---|---|
| Dryad | Transform enemy | Yes |
| Sapling | Transform into Tree | No |
| SoulKeeper | Transform enemy | Yes |
| Vampire | Transform into Bat | Yes |
| Gemini | Transform into GeminiTwin | Yes |
| Prince | Transform into King | No |
| Slime | Transform into GiantSlime | No |
| Phoenix | Transform into PhoenixEgg | Yes |
| PhoenixEgg | Transform into Phoenix | No |
| Envy | Transform into enemy | Yes |
| (minions) | Promotes into _____ | No |
| Sylph, AirElemental | Promotes into _____ | No |
| Hostage | Rescue | No |
| Comet | Destroy self | Yes |
| LifeStone | Destroy self | Yes |
Trivia
The sound effects and visuals for promotion/transformation are not quite consistent either. "Custom" means a sound that is made specifically for that unit. As you can see, in most cases transforming and promoting are interchangeable.
| Unit | Ability | Sound | Visual |
|---|---|---|---|
| Dryad | Transform enemy | Custom saplify | (normal) |
| Sapling | Transform into Tree | (promotion) | (promotion) |
| SoulKeeper | Transform enemy | Custom ghostify | (normal) |
| Vampire | Transform into Bat | Summon | Grey magic effect |
| Gemini | Transform into GeminiTwin | Custom split | Grey magic effect |
| Prince | Transform into King | (promotion) | (promotion) |
| Slime | Transform into GiantSlime | (promotion) | (promotion) |
| Phoenix | Transform into PhoenixEgg | Death | Death of attacker |
| PhoenixEgg | Transform into Phoenix | Custom hatch | (none) |
| Envy | Transform into enemy | (promotion) | Cyan magic effect |
| (minions) | Promotes into _____ | (promotion) | (promotion) |
| Sylph, AirElemental | Promotes into _____ | (promotion) | (promotion) |
| Hostage | Rescue | Custom rescue | (normal) |
| Comet | Destroy self | Freeze | Cyan magic effect |
| LifeStone | Destroy self | Custom revive | Grey magic effect |