Talk:Deathfire Touch/@comment-3974211-20151122200107

Two major damage types:
 * Basic attacks apply on-hit effects. As a standard, on-hit effects apply nothing.
 * Ability damage applies spell effects. As a standard, spell effects will trigger other spell effects except for themselves (e.g. Luden's Echo will trigger Liandry's).
 * (There's also lesser types like "bleed" and "splash").

Not all "abilities" deal ability damage. Some, like Parrrley and Mystic Shot, are classified as basic attacks instead. These "abilities" will not apply spell effects.

Some "on-hit effects" grant the attack the ability to apply spell effects - e.g. Poppy's Q causes her next attack to apply spell effects). However - this is an exception, not the example.

The easiest way to think of it is:
 * If it applies spell vamp it will apply this mastery.
 * If it applies life steal or neither it won't apply this mastery. (Neither is things like splash damage.)