[2.4] zSavage's Kitava's Thirst Crit Storm Call [Trickster]

Kitava's Thirst and Voidbringers are the two key items to this build. Optional but highly recommended:

Doryani's has great damage and provides a source of life leech outside of a curse.
Here's how it all works. Voidbringer increases the cost of our skills by 80%, enabling us to break the 100 mana cost barrier. While leveling this character, I was able to do this at level 55 (the min level for Voidbringers) with a 4L Arc + Controlled Destruction + Light Pen + Spell Echo. This then enables the helm to trigger.
However, there are two big issues that keep Kitava's from being popular and limits the skills you should socket in it. These are:
1. Projectiles are targeted in a random direction.
2. Ranged AoE skills (like Bladefall, Storm Call, for example) are cast right on top of your character.
Thus, the spells in the helm should not be either of these. Also, the helm is limited trigger one copy of each spell per trigger (but it casts all the socketed spells). This means that using, say, 3 Arcs will only cast one.
Therefore, the skills my helm triggers are:
1. Arc. It autotargets and functions pretty much as normal.
2. Shock Nova. It is centered on us for a nice DPS boost when used correctly.
3. Molten Shell. We have pretty much permanent uptime on a strong defensive buff that nukes enemys that get close.
These are all supported by lightning pen (for more damage for Arc and Shock Nova).

With the above in mind, I had several goals for this character:
1. Sustain a sufficient mana pool to be able to cast a 100+ cost skill rapidly.
2. High cast speed
3. Fast whirling blades
4. Crit
All of these are solved by going Shadow, taking the Trickster class, and dual wielding Doryani's and a solid spell dagger.
Trickster gives us:
1. Bonus attack and cast speed when we use movement skills, which are free.
2. A chance to recover 10% of our max mana when we use a skill, and a bunch of mana regen.
3. Automatic Frenzy charge generation on kill.
4. Some dodge and spell dodge.
Dual wielding lets us take advantage of the Dark Arts notable and cluster for a very efficient set of attack and cast speed nodes (20% cast speed and 24% attack speed for 4 points).
Generally, this build clears very quickly and can do most bosses pretty well, though its single target is not godly.

Skill Tree Link

-> This is the updated tree for Storm Call.

NOTE: Storm Call must be lvl 18 in 5L in order to have 100+ mana cost with supports Spell Echo, Lightning Pen, Less Duration, and Controlled Destruction. (You can do a few levels lower if you socket Conc Effect/Inc AoE).
Ascendancy Order:
Normal-Walk the Aether. Having free movement skills and 20% attack and cast speed is very nice at this point, as we don't need the mana recovery yet. My leveling accelerated a lot after getting this.
Cruel-Weave the Arcane. At this point you should be able to equip the two core uniques and get the build really going, so the mana recovery is very much wanted at this point.
Merciless-Swift Killer. The frenzy charges are what you want moving into mapping and the endgame.
Uber-Ghost Dance. This one is the most useful of those that are left, but it's not required to play the build.

Bandit Choices:
Normal: Help Oak for +40 life
Cruel: Kill all for +1 passive
Merciless: Help Alira for +1 Power Charge.

Main Damage: Storm Call + Controlled Destruction + Spell Echo + Light Pen + Less Duration (+ Inc Crit/Crit Multi OR Inc Aoe/Conc 6L)
Kitava's Links: Arc + Shock Nova + Molten Shell + Lightning Pen
4L (Probably Voidbringer): Orb of Storms + Curse on Hit + Warlord's Mark + PCoC
3L (Probably Doryani's): CWDT (lvl 5) + Inc Duration + Immortal Call (lvl 7)
4L (Probably boots): Whirling Blades + Faster Attacks + Fortify + Culling Strike
You can run a different move skill like leap slam or socket something else instead of Cull. It's something I like and it will add more attack speed at 20q.
Socket Anywhere:
Auras: Herald of Thunder, Arctic Armor, Clarity
Lightning Golem

Note: If you have a 6L, something is going to have to go, unless you have an unset ring. I would recommend dropping either your golem, or removing the culling strike gem.

Life: 5011 (lvl 89)
ES: 1556
(Yes, this is a semi-hybrid build. Voidbringers maintains our ES pretty well while killing non bosses)
Mana: 1927 (684 unreserved).
Storm Call mana cost (lvl 18 gem): 102
Storm Call DPS:
41.6k (no charges)
62.3k (charged: 5 PC, 4 FC)
67.7k (charged sulphur flask)
This can easily get to 160k+ with a good support character beside you.

Q: How do you deal with reflect?
I carry a Topaz Flask, and pop it upon seeing the mob and attacking it. Once my ES drops, I use life flasks to maintain my health pool. This build can survive reflect mobs but it requires good reflexes and flask management.
Q:Which map mods should I avoid?
Absolutely do not run Ele Reflect or Hexproof (hexproof = little to no leech). I would also avoid Blood Magic and No Life or Mana regeneration maps, and ones with high added lightning resistance. Other than that use your own instincts; it can run most other things with proper play.
Q: What other skills can I use?
Storm Call is best of what I've tested (Arc, Shock Nova, Storm Call).
Q: What unique chests can I use with this build?
I would recommend using a rare with life and res, and that can roll 4 blue and 1 red sockets without too much effort (IE ES, AR/ES, or EV/ES). That said, Cloak of Flame, The Restless Ward or Carcass Jack (if using an AoE main skill) could be useful if you really wanted to use a unique.
Q: How high maps have you done with this character?
I've done up to T12 and will be moving to T13 soon-ish. I've also soloed Uber Lab without too much problems (though there might be if you went for a high number of keys on the wrong day).

https://www.pathofexile.com/passive-skill-tree/AAAABAYCAAVCBbUI9A3REQ8RLxFQFdcV5xhqH8ci6iL0KgsqOCpbKworeCycLL8tizW5OVI6WDsNQZZDNkV8RwZJsUyDTLNQMFLsVcZWY1crWAdca13yXypfamNDakNsC20ZcFJw1HOzdFV0gXn2f8aESIauidOMNo_6kyeXl5uhm7WhL6crrJius7TFvYK-isBUwcXC7MM6w23QH9DQ0PXXz9te2-fjhOjW7BjviO_r8Gvy4ffX-Tf5pP6z?accountName=ragbasti&characterName=OMGaPooPooSparker