Brought back Dreameater's sneak attack bonus, since it's mentioned in the description, will be addressed later

source/scripts/_00e_fs_dreameatersc.psc

@@ -27,6 +27,19 @@ Event OnEffectFinish(Actor akTarget, Actor akCaster)
 		fBonusDamage = fMagnitude
 	EndIf
 	
+	; Sneak bonus
+	If IsExtraDamageApplicable(akTarget, akCaster)
+		Float fStealthModifier = Game.GetGameSettingFloat("fCombatSneakBowMult")
+		If akCaster.HasPerk(_00E_Class_Infiltrator_P03_B_HeartShot)
+			fStealthModifier = fStealthModifier * _00E_Class_Infiltrator_P03_B_HeartShot.GetNthEntryValue(0, 0)
+		EndIf
+		If akCaster == PlayerREF
+			_00E_FS_FakeStealthMsg.Show(fStealthModifier)
+			UISneakAttackM.Play(akCaster)
+		EndIf
+		fBonusDamage = fBonusDamage * fStealthModifier
+	EndIf
+	
 	; Target's magic resistance
 	Float fMagicResist = akTarget.GetActorValue("MagicResist")
 	If fMagicResist > 0
@@ -41,6 +54,21 @@ Event OnEffectFinish(Actor akTarget, Actor akCaster)
 	EndIf
 EndEvent
 
+Bool Function IsExtraDamageApplicable(Actor akTarget, Actor akCaster)
+	If akTarget.HasMagicEffect(_00E_FS_PsychosisWeaknessVisualME)
+		Return True
+	EndIf
+
+	If akCaster.IsDetectedBy(akTarget) == False
+		akTarget.GetCombatState()
+		If akTarget.GetCombatState() != 1
+			Return True
+		EndIf
+	EndIf
+
+	Return False
+EndFunction
+
 ;=====================================================================================
 ;              							 PROPERTIES                  					 
 ;=====================================================================================
@@ -54,3 +82,9 @@ MagicEffect Property _00E_FS_PsychosisWeaknessVisualME Auto
 
 Spell Property _00E_FS_PsychosisWeaknessSP Auto
 Spell Property _00E_FS_PsychosisWeaknessSP_NoSlow Auto
+
+Perk Property _00E_Class_Infiltrator_P03_B_HeartShot Auto ; 2.5
+
+Message Property _00E_FS_FakeStealthMsg Auto
+
+Sound Property UISneakAttackM Auto