To make any changes open the mod folder and look for ... XComCantExecuteTheseEnemies.ini

Current Settings.

[CantExecuteTheseEnemies.X2DownloadableContentInfo_CantExecuteTheseEnemies]
+UPGRADE_INFO=(UpgradeName=FreeKillUpgrade_Bsc)
+UPGRADE_INFO=(UpgradeName=FreeKillUpgrade_Adv)
+UPGRADE_INFO=(UpgradeName=FreeKillUpgrade_Sup)


+IMMUNE_UNITS=BerserkerQueen
+IMMUNE_UNITS=ArchonKing
+IMMUNE_UNITS=ViperKing
+IMMUNE_UNITS=AdvPsiWitchM2;(PsiWitch = Avatar)
+IMMUNE_UNITS=AdvPsiWitchM3;(PsiWitch = Avatar)
+IMMUNE_UNITS=Gatekeeper
+IMMUNE_UNITS=Sectopod
+IMMUNE_UNITS=PrototypeSectopod
+IMMUNE_UNITS=Berserker
+IMMUNE_UNITS=ChosenAssassin
+IMMUNE_UNITS=ChosenAssassinM2
+IMMUNE_UNITS=ChosenAssassinM3
+IMMUNE_UNITS=ChosenAssassinM4
+IMMUNE_UNITS=ChosenSniper
+IMMUNE_UNITS=ChosenSniperM2
+IMMUNE_UNITS=ChosenSniperM3
+IMMUNE_UNITS=ChosenSniperM4
+IMMUNE_UNITS=ChosenWarlock
+IMMUNE_UNITS=ChosenWarlockM2
+IMMUNE_UNITS=ChosenWarlockM3
+IMMUNE_UNITS=ChosenWarlockM4
+IMMUNE_UNITS=Sectopod_Markov
+IMMUNE_UNITS=BerserkerOmega
+IMMUNE_UNITS=BioZerker
+IMMUNE_UNITS=BioMecTrooper
+IMMUNE_UNITS=ViperPrince1
+IMMUNE_UNITS=ViperPrince2
+IMMUNE_UNITS=ViperPrince3
+IMMUNE_UNITS=ViperPrincess
+IMMUNE_UNITS=SectopodRoyal


; Add the semicolon to remove immunity if you want to be able to Execute any listed above