A *hypothetical* concept for an AP + Crit scaling auto-attacker.

The numbers were just slapped together to make the concept a bit more outlined, and aren't in any way perfect or final. Plus there are some undefined elements.

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Range: 550

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Passive: Static Surge

On-Target Cooldown: 7 - 2.562 (based on Critical Chance)

Critical Surge - Tessa's critical strikes deal no additional damage. Instead, her Ability Power is increased by 0.75% for every 1% of her Critical Strike Chance.

Static Surge - Tessa's basic attacks and damaging abilities apply Surge to enemy champions or monsters for 7 seconds. Surge will charge up if the target uses any mobility skills or takes damage from Tessa's attacks or abilities, moreso if Tessa critically strikes.

If Surge reaches full charge, Tessa's next damaging ability against them will detonate the mark, dealing bonus Magic Damage to the target. The detonation will also detonate nearby Surge marks for 33% damage, regardless of their current charge. Minions always take 33% damage from Surge.

Enemies that had Surge detonated on them cannot have Surge applied on them again for a short duration.

Surge Damage: [(60 / 75 / 90% AD) + 45% AP] x (1 + Bonus Critical Damage)

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Q: High Voltage

Range: 900 Cost: 43 / 46 / 49 / 52 / 55 Mana Cooldown: 9 / 8.25 / 7.5 / 6.75 / 6

Active: Tessa releases a high-voltage pulse in the target direction, dealing Magic Damage to the first enemy it hits.

If High Voltage detonates Surge, its cooldown is reduced by 40%.

Magic Damage: 15 / 30 / 45 / 60 / 75 (+75% AD) (+50% AP)

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W: Ionizing Charge

Range: 800 Cost: 60 / 65 / 70 / 75 / 80 Mana Cooldown: 16 / 15 / 14 / 13 / 12

Active: Tessa lobs an energy cluster at a target area, dealing Magic Damage to enemies within a small radius on impact and leaving a charged field in the area that gradually expands over 4 seconds, causing enemies within its range to charge up Surge twice as fast.

If Tessa detonates Surge on an enemy within the charged area, she Stuns the target for a brief duration, as well as Slowing any other targets detonated simultaneously by 70%, decaying over the same duration.

Magic Damage: 80 / 125 / 170 / 215 / 260 (+80% AP) Stun Duration: 1.2 / 1.4 / 1.6 / 1.8 / 2 Seconds The stun will trigger if Ionizing Charge itself detonates Surge.

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E: Jump Start

Range: 850 Cost: 50 / 60 / 70 / 80 / 90 Mana Cooldown: 16 / 15.5 / 15 / 14.5 / 14

Passive: While Jump Start is off cooldown, Tessa gains a burst of Movement Speed that decays over 1.5 seconds whenever she detonates Surge.

Movement Speed: 20 / 25 / 30 / 35 / 40%

Active: Tessa blinks towards or away from target enemy charged with Surge, placing herself at her basic attack range from them and gaining bonus Attack Speed for 4 seconds.

Bonus Attack Speed: 20 / 30 / 40 / 50 / 60%

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R: Surge Breaker

Range: 800 Cost: 100 Mana Cooldown: 130 / 115 / 100

Active: Tessa becomes briefly untargetable as she dashes at high speed to the target location, dealing Magic Damage to any enemies she passes through and supercharging the line along which she traveled.

After a 0.5 second delay, the line overloads, dealing increased Magic Damage to enemies along it and instantly detonating Surge on them.

Initial Magic Damage: 75 / 120 / 165 (+40% AP) Overload Magic Damage: 125 / 180 / 235 (+50% AP) Total Damage: 200 / 300 / 400 (+90% AP)

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I've had this sitting around in a word file for a while, so I figured why not post it.