How "on hit" effects work

[TriKster]

I will link to you how Hits and Damage over Time works from the Community Game Guide:

Community Game Guide

COMBAT MECHANICS (part 1) 5.1 Hit vs Damage Over Time Damage in Last Epoch can be dealt in two different ways: as a hit, or as damage over time. A damage over time effect deals damage to a target or area repeatedly over a duration. The most common sources of damage over time are ailments such as ignite, bleed, and poison, which affect individual targets. There are also damage over time effects that damage all targets within an area, such as Fire Aura, Tornado, Consecrated Ground, and many mo…

This is probably the most important sentence:
Any source of damage that is not damage over time is considered a hit

For Flurry each projectile is considered being a hit. So Health on Melee Hit or for example the Draining Arrows node from Marksman is really strong for fast hitting attacks like Flurry.
I hope i’m correct with the Flurry part. It has reduced dmg effectiveness and ailment chance therefore the life leech aspect should be lower, but for health ON hit it should receive the full potential.