Does magic damage from Gromp debuff proc spell vamp

Does the passive you gain from Gromp, as well as the Cinderhulk, proc spell vamp when being attacked?
Best Answer
From http://leagueoflegends.wikia.com/wiki/Spell_vamp
Spell vamp is a magical stat that converts a percentage of the ability damage dealt into health regained. Activated abilities that do not state they "apply on-hit effects" or modify your "next basic attack" will benefit from spell vamp.
Spell vamp works off of activated item effects, Smite, and abilities, regardless of the type of damage done. It is calculated from the damage dealt to the enemy after reductions such as magic resistance, armor or effects like Unbreakable Will.
This makes it clear that spell vamp doesn't actually depend on whether you do physical or magical damage. What matters is that the damage comes from an activated ability that does not do on-hit or next basic attack. Neither Gromp nor Cinderhulk is an activated ability so they will not proc spell vamp.
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Does Gromp Do magic damage?
Monster typeGromp's basic attacks deal magic damage. Killing Gromp restores 90 \u2212 243 (based on average champion level) health and 36 \u2212 138 (based on average champion level) mana on kill, increased up to 100% based on missing health and missing mana.How much xp does Gromp give?
GrompGold Gain105 (+)Experience Gain135 (+2.1)StatisticsHP2,100 (+140)14 more rowsWhat is spell vamp lol?
League of Legends Spell Vamp Spell Vamp grants the attacker a percentage of their damage, dealt via spells/abilities, back as health. This only applies to skills that do not apply on hit effects (such as Kennen's Thundering Shuriken and Brand's Sear).What is magic vamp?
An attribute to regenerate HP according to Skill Damage. Spell vamp is an attribute that provides healing equal to a percentage of the skill's damage dealt. It starts at 0% but can be obtained through emblems, equipment, or even hero abilities.Stacking spell cooldown and critical damage
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Answer 2
I can't add a comment but this "This means Lifesteal will be applied fully while Liandry's and Rylai's have reduced effectiveness." is wrong, Liandry's is always applied fully. It has not been reduced for DOT or AOE for quite some time. Otherwise I agree with Jutschge
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