Xaadan, The Darkin Magi, version 2

Resource: hp.

Passive- heals for all damage dealt, increasing with level(15-60%)

Q-Dark Hindrance: (25hp cost) Infuses a powerful punch with arcane might, dealing magic damage and knocking up all hit.

W-Darkin Might/Void Blade:(No cost) An always on toggle ability. 1st toggle calls upon the power of the Darkin, granting bonus AD and AS, second toggle imbues the blade with Void energy, sacrificing the AD and AS for bonus AA range, and 1/2/3/4/5% hp true damage on hit.

E- Warp Step: opens a void portal to teleport to a location, granting a sheild of 15/20/25/30/35% max hp, with the next AA healing for a bonus 50% damage dealt.

R- Etheral Torment: Calls upon the mixed power of Darkin and the Void, immersing himself in black flames, dealing AoE DoT, healing for damage dealt with each tick. Can be cast a second time to channel for 1.5 seconds, and use Darkin power to compress the black flames into a ball of condensed Void magic, firing forward a Void beam dealing % missing hp damage.

Please give me feedback on the kit I've created, how it can be better, and more specific values that are balanced! Thanks for reading ;)