diff --git a/data-otservbr-global/scripts/spells/attack/divine_grenade.lua b/data-otservbr-global/scripts/spells/attack/divine_grenade.lua
index 59a83f89c99..21c6607e320 100644
--- a/data-otservbr-global/scripts/spells/attack/divine_grenade.lua
+++ b/data-otservbr-global/scripts/spells/attack/divine_grenade.lua
@@ -7,6 +7,17 @@ function onGetFormulaValues(player, level, maglevel)
 	local min = (level / 5) + (maglevel * 4)
 	local max = (level / 5) + (maglevel * 6)
 
+	local grade = player:upgradeSpellsWOD("Divine Grenade")
+
+	local multiplier = 1.0
+	if grade ~= WHEEL_GRADE_NONE then
+		local multiplierByGrade = { 1.3, 1.6, 2.0 }
+		multiplier = multiplierByGrade[grade]
+	end
+
+	min = min * multiplier
+	max = max * multiplier
+
 	return -min, -max
 end