Talk:Swain/@comment-74.64.26.37-20130315022123/@comment-5112778-20130316133704

Spell vamp = Gain health from your skills that does not proc on hit effects.

Single target spells you gain full spell vamp effect.

Multi target spells you gain 33% spell vemp effect.

In Swains case, spell vamp applys to all of his skills.

Say you bought a Hextech Revolver which gives you 12% spell vamp.

In Swain's case

Q = 12% of damage dealt from this spell is converted to healing for you. (100% spell vamp effect)

W = 3.96% of damge dealt from this spell is converted to healing for you. (12 x 33% = 3.96% spell vamp effect. This is because this skill hits multiple targets.)

E = 12% of damage dealt from this spell is converted to healing for you. (Single target spell, Even if it is a DoT (Damage over time))

R = 3.96% of damage dealt from this spell is converted to healing for you. (Multiple target spell)

For more information on Spell vamp, Try this page all about Spell vamp.

Hope this has helped you understand more about spell vamp, even if you did know most part of it already.