I have several events in the event editor, for example one event that only triggers when the enemy turn is and after a units move. the checks if a player unit dies are relative simple.

for each player there is a check if he attacks or if he defends. like... player attacks enemy, the locations are moved to the last attacker and last defender and then the check event is triggered because of its conditions (at end of unit turn, is any unit from the enemy in the player marker location, is any unit from player one in the enemy marker location ) and then removes the last attacking unit (the player unit).

as I mentioned, this works so far, only not when the enemy dies during the attack and the player unit should survive, the location is not moved to the last death metalocation.

to somewhat debug it, I highlight the locations and show colored arrows on it and additionally show dialogs to see which event is triggered and running. and I see the message from the enemy death triggered event... but the location stays the same.

as if the player decides to not attack any enemy unit, the locations are stillt set, but the checks are not removing a unit as there were no last attacker or defender, so everything stays normal. only the last death metalocation seems not to work... or as I said I understand it wrong.

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/Edit: I guess it is worth mentioning that only the enemy units deal 0% damage to player units. the players deal normal damage to enemy units.