When a showdown happens between an attacker and a stunned defender, and neither unit dies but the defender has more might, who gains control of the battlefield?

Ruling: When neither unit dies in a showdown, the attacking unit is recalled back to base, so the defender retains control of the battlefield.

Nuances:

• A stunned unit with higher might will still cause the attacker to retreat if neither dies
• Symbol of Solari gear changes this rule by forcing both players' units to retreat after a tie when you're the attacker