Ino
Source: Instance (lvl 20, 30, 50 Elite Instance);
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http://vignette2.wikia.nocookie.net/naruto/images/0/01/Latestfll.jpg/revision/latest?cb=20151123122009&path-prefix=sr-ec

Mystery: Mind Destruction Jutsu
Cause Ninjutsu and Taijutsu damage to the selected enemy and Chaos.
CD: 3 rounds
Battlefield CD: none
Chakra use: 20
Additional status: Chaos

Standard: Taijutsu Attack
Attacks the front enemy and has a chance of a Triple Combo.

Chase: Mind Transmission Jutsu
Chase and Attack the Immobile or Sleeping enemy and cause Chaos. Can be triggered twice at most each round.

Passive: Substitution Jutsu
Increase evasion and has a chance of avoiding attack from the enemy.
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http://vignette1.wikia.nocookie.net/naruto/images/8/89/Ino2.png/revision/latest?cb=20140323175859

Mystery: Mind Destruction Jutsu
Cause Ninjutsu and Taijutsu damage to the selected enemy and Chaos.
CD: 2 rounds
Battlefield CD: none
Chakra use: 20
Additional status: Chaos

Standard: Double Healing Jutsu
Healing 2 ninjas with the lowest life on your team and disperse 1 Debuff on the target.

Chase: Mind Transmission Jutsu
Chase and Attack the Immobile or Sleeping enemy and cause Chaos. Can be triggered twice at most each round.

Passive: Substitution Jutsu
Increase evasion and has a chance of avoiding attack from the enemy.

Passive: Mind Jutsu
At the beginning of a combat, lower the defense and resistance of the front enemy.
My thoughts:
Ino is the core for a great Fire Main control team. You can find an excellent guide to it here. I wouldn't bother using her otherwise unless you want to combo her into something like an Itachi. Solid healer choice for lower levels on 2 stars.
Please leave a comment with your thoughts about the ninja.