I

Rasante Kugeln

Good item so you can deny something on lane, you can sell it later for extra slot

II

Aktiv

Schutzwache

For support role (when cast on your mate, cooldown is reduced by half)

I

Veredeln

Mystische Erweiterung

Its easier to stun enemy heroes with more range, right?

I

Zusätzliche Aufladung

Use your 1st to clear waves faster or do more dmg

I

Zusätzliche Ausdauer

2 stamina = pain

II

Arkane Verstärkung

Great item, use it more for the ability buffs

II

Aktiv

Fluch der Langsamkeit

Use it to stun enemy heroes with your 3rd

IV

Aktiv

Wirbelnetz

This is where the fun begins, use it with your 3rd

III

Schnelle Aufladung

Extra charge for your 1st

III

Panzerschreck

Awesome item for dmg

III

Aktiv

Kultopfer

Great buffs, you can buy this before vortex web or after

III

Trophäensammler

Could be used over Cultist Sacrifice, if you want more ms and passive souls (buy this before vortex web, cause you want stacks as early as possible)

II

Heilungsfluch

Good early anti-heal

IV

Magiebrand

Great anti-heal + bonus dmg

IV

Transzendente Abklingzeit

For Vortex Web cooldown

IV

Veredeln

Aktiv

Echo-Splitter

More stuns, more fun

IV

Eskalierende Bloßstellung

More dmg from your Vortex Combo

IV

Grenzenlose Magiekraft

Last priority, good spirit buff

IV

Aktiv

Göttliche Barriere

For support role, you can buy it whenever you need this

III

Größere Erweiterung

If you need more range for your 3rd

IV

Aktiv

Auffrischer

For your ult, support role

IV

Schriftrolle des Blitzes

Buy this with refresher

III

Gegenzauber

In right hands you can dodge everything (almost) )

III

Aktiv

Magie der Entzauberung

Against heroes such as Infernus, Bebop, Shiv

I

Widerstand

Against melee heroes on lane

III

Meisterhafte Ausdauer

Good for movement

III

Aktiv

Welle der Verstummung

Early 'curse'

III

Aktiv

Niederschlag

Can use it with your 3rd

III

Aktiv

Verfall

Take if enemy have tanky heroes

III

Aktiv

Alchemie-Feuer

Can be used with your vortex combo

IV

Aktiv

Verfluchtes Relikt

Against annoying heroes such as Lash, Dynamo, Haze

IV

Aktiv

Geißel

For your front heroes