Phoenix Spawing Units

Sometimes when I kill a phoenix, it spawns other units (usually about five or six spearmen and occasionally something larger like a hydra). Does this really happen or am I imagining it? I don’t see any text mentioning this on the description of the phoenix unit.

  • Rebirth:  Upon death, the Phoenix will rise from its ashes! If any allied units died within range, they will also come back to life and bring down hell upon your enemies.