When Invaders deal Damage to each other, is that damage dealt simultaneously?
When Invaders deal Damage to each other, is that damage dealt simultaneously?
Yes, Invaders can destroy each other this way.
Damage from a single effect is done simultaneously. For instance, with the threshold effect of Dissolve the Bonds of Kinship, a City, a Town, and 5 Explorers can wipe each other out.
For the special case involving Invaders with Strife,
see here.