[Champion Concept] Zakarel (Halloween themed champion)
https://www.youtube.com/watch?v=qztch6_Uhuk
Attack range: 160
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Passive: Moving Horrors: increase your ability power by 100% of your bonus movement speed. In addition, your mana regenerates 20% faster while you are moving.
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Grave Cannon [q] Shoot out grave bolt in targeted direction dealing 70/120/170/220/270 (+60% of ability power) magic damage to all enemies it passes through. If it kills any enemy champion, then inflict fear into all hit enemies for 2 sec.
Enhanced: increase damage done by 35% and execute any enemy at or bellow 10% of his/her maximum health instantly killing them. Cooldown: 8 sec Mana cost: 50 Range: 680 Casting time: 0,3 sec
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Spiders In Your Hair [w] Deal 40/80/120/160/200 (+40% of ability power) magic damage to targeted enemy and cause him/her to flee for 1,5 sec.
Enhanced: inflict fear into all nearby enemies within 460 range of your main target for 1 sec. Cooldown: 15/14/13/12/11 sec Mana cost: 45 Range: 550
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Something Strange [e] Shield friendly targeted from 100/150/200/250/300 (+60% of ability power) damage for 3 sec. However, you suffer for 50% of damage absorbed by this shield (this damage transfer does not work if you shield yourself, but the shield amount will be reduced by 25%).
Enhanced: Increase shield power by 50% and duration by 100%. Cooldown: 14 sec Mana cost: 35 Range: 500
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Next Surprise/ Dead of the Night [r] Next surprise: gain 20/30/40 bonus ability power and 10/15/20% bonus movement speed for 8 sec. In addition, enhance your next ability increasing its power.
While this buff lasts this ability transforms into:
Dead of the Night: Cause you next basic attack to ravage your target dealing 90/130/170 (+20% of ability power) bonus magic damage. This ability can be used two times per use of Next Surprise. Cooldown: 130 sec Mana cost: 95
~~ ~~ Some build examples:

