Dota 2/Akasha the Queen of Pain

Queen of Pain is a ranged intelligence hero who is usually played as a ganker and semi-carry. She can Blink in, kill someone, and get out. Her Scream of Pain lets her do a lot of damage near her. She can also use Shadow Strike to finish off enemies. If she is positioned well, a Sonic Wave can decimate a whole team.

Shadow Strike
Shadow Strike shoots a dagger at the targeted enemy, dealing damage as well as poisoning them. They will then take additional damage over time every 3 seconds and have their movement speed slowed. A good ability to harass with during the early game. When ganking, it can also help you finish off your target or to simply slow them down.
 * Ability: Target Unit
 * Affects: Enemy Heroes
 * Damage Type: Magical
 * Strike Damage: 50 / 75 / 100 / 125
 * Damage Over Time: 30 / 40 / 50 / 60
 * Slow: 20% / 30% / 40% / 50%
 * Mana Cost: 80 / 100 / 120 / 140
 * Cooldown: 20 / 16 / 12 / 8

Blink
Blink instantly teleports you a short distance in the direction of the targeted area. It improves your mobility and lets you surprise your enemies when ganking. It can also be used to escape from battle. All in all, a very versatile utility spell.
 * Ability: Target Point
 * Range: 750 / 850 / 1000 / 1150
 * Mana Cost: 60
 * Cooldown: 12 / 10 / 8 / 6

Scream of Pain
Scream of Pain makes you let out a scream damaging all enemies in its radius. It is a perfeact way to initiate a gank or just to do damage. Being able to do 300 damage to a decently large area is amazing. It will be your main damage tool until the late game, so never hestitate to use it, and use it often.
 * Ability: No Target
 * Damage Type: Magical
 * Damage: 85 / 165 / 225 / 300
 * Radius: 475
 * Mana Cost: 110 / 120 / 130 / 140
 * Cooldown: 7

Sonic Wave
Sonic Wave lets loose a massive cone of sound that does great damage to enemies caught inside it. It can greatly damage a line of enemy heroes, leaving them with a large chunk of health missing. At 600 damage, it is among the most powerful area of effect abilities in the game. It is pretty costly for your mana pool and has a long cooldown, so decide wisely when you must use a Sonic Wave.
 * Ability: Target Unit, Target Point
 * Affects: Enemy Heroes
 * Damage Type: Magical
 * Radius: 300
 * Damage: 350 / 475 / 600
 * Mana Cost: 250 / 360 / 500
 * Cooldown: 135
 * Scepter Cooldown: 100 / 70 / 40
 * Scepter Damage: 350 / 530 / 725

Aghanim's Scepter can be bought by Queen of Pain and will increase Sonic Wave's damage and decrease its cooldown.