here are the some balance changes that happend last few weeks
4/21/07
Dosu
Melody Arm Tuning now costs 1 ninjutsu. (Change done by GT. May or may not be altered in the future)
4/22/07
Lee
5th Gate Opening now only causes lee to lose 75% of his current health.
Dosu
Melody Arm Tuning now costs 1 random chakra, lasts 4 rounds and has a cooldown of 3 rounds.
Sound Manipulation now does 10 damage per round.
Kimimaro
Dance of the Clematis now does 50 damage.
Dance of the Seedling Fern now does 45 damage.
Tsunade
Creation Rebirth now heals Tsunade 75 health and cooldown is 4 rounds.
Orochimaru
Kusanagi now does 35 damage.
Sandaime
Fire Dragon Flame Missile now deals 20 damage the first round, 10 damage the next, and 5 damage the following round. Cannot target an enemy already affected by the skill. Cooldown removed.
4/29/07
Dosu
Vibrating Sound Drill now leaves the target unable to defend for one round.
Jiraiya
Major Summoning Gamabunta now improves the damage of Great Fireball Technique to 45 damage for its duration.
Tsunade
Painful Sky Leg now has a 1 round cooldown.
4/30/07 - Sannin Re-working
Jiraiya
Major Summoning Gamabunta makes Jiraiya invulnerble for it's duration rather than negating the opponent's defense and giving him damage reduction.
*BOOST* Toad Mouth Bind now costs 1 genjutsu and 1 random. *EDIT* Duration and cooldown decreased by one round.
Tsunade
Creation Rebirth heals 35 health with a 1 round cooldown and a cost of 1 ninjutsu chakra.
Orochimaru
Cursed Seal Technique now does 25 undefendable damage and gives 2 extra chakra with a 1 round cooldown. It is no longer permanent.
Kusanagi now costs 1 bloodline and 1 random chakra and has a 1 round cooldown but does 5 damage less. *EDIT* Damage reduced to 20, cooldown removed. *RE-EDIT* Damage is 25 but 1 round cooldown returned.
5/02/07
Gai
Counter Punch now lasts 2 rounds. Cooldown and cost remains the same. *EDIT* Cooldown reduced 1 round.
Tsunade
Painful Sky Leg now does 25 damage cost 1 taijustu and 1 random chakra but has no cooldown.
*EDIT* Creation Rebirth now has no cooldown.
Orochimaru
Kusanagi has been returned to it's original state of 35 damage and 1 chakra destroyed with no cooldown for 1 bloodline and 1 taijutsu chakra. Explanation Here
Major Summoning Manda no longer gives back 1 chakra.
Sandaime
Fire Dragon Flame Missile now deals 20 damage followed by 10 damage the next round. All other aspects remain unchanged.
5/05/07
Kin Tsuchi
Unerving Bells no longer stuns the enemy team.
Orochimaru
Major Summoning Manda leaves Orochimaru unable to use a skill the following round.
5/12/07
Naruto
Uzumaki Naruto Combo now does 10 damage but can be used without shadow clones.
Shadow Clones now increases the damage of Uzumaki Naruto Combo 300 percent.
Shino
Chakra Leach now does 12 damage.
Zabuza
Great Waterfall Technique now does only 5 damage.
Asuma
Finishing Blow now does 25 damage to each target.
Orochimaru
Cursed Seal Technique now does 30 damage to the target.
5/15/07 Manda/Shiki Rework
Orochimaru
Major Summoning Manda now does 50 undefendable damage to one target, removes 2 chakra and leaves them unable to use a skill for one round. It no longer insta-kills the target nor stuns Oro.
Sandaime
Shiki Fuujin now removes half of the target's current health and removes 25% of Sandaime's current health. Cost is now 2 random chakra and it has a cooldown of 2 rounds.
5/17/07
Shino
Bug Wall now lasts 3 rounds but cooldown is increased by one round.
**EDIT - Dunno what I was thinking here.. should not balance change when I've been up 20+ hours straight. This has been returned to it's original state.**
Chakra Leach now does 15 damage instead of 12.
Orochimaru
Cursed Seal Technique now costs 1 random chakra and does only 25 undefendable damage.
Sandaime
Shiki Fuujin now has a cooldown of 3 rounds.
5/19/07
Asuma
Flying Swallow now reduces damage to Asuma's team by 25%.
6/14/07
Tsunade
Painful Sky Leg now does 30 damage.
Orochimaru
Major Summoning Manda no longer stuns but removes an extra chakra for a total of 3 chakra destroyed.
Sandaime
Shiki Fuujin (Rework) now costs 3 random, the target cannot defend or use any skill for the rest of the game and takes 40 damage every round unless Sandaime is killed or unable to use a skill. Sandaime loses 20 health every round and can no longer use another skill once Shiki Fuujin is in use.
Shodaime
Birth of the Trees now lasts only 4 rounds, cooldown is also decreased one round.
Tree Strangulation has a cooldown of one round.
Branch Manipulation's cooldown is reduced by one round.
Nidaime
Bringer of Darkness costs 1 genjutsu and 1 random and has a cooldown of 5 rounds.
Water Collision Destruction's cooldown has been reduced by one round.
6/20/07
Kurenai
Reworked
Asuma
Finishing Blow now costs 1 taijustu and 2 random and is back to 30 damage.
Kakashi
Sharingan Copy's cooldown is reduced 1 round.
Raikiri now does 60 damage.
Orochimaru
Kusanagi now does 40 damage.
Sandaime
Fire Dragon Flame Missile now does 25 damage the first round and 15 the second.
Kyuubi Naruto
Reworked
Cursed Seal Sasuke
Reworked
Shodaime
Birth of the Trees now lasts 5 rounds. Cooldown remains the same.
Branch Manipulation now has no cooldown but does 5 less damage.
Nidaime
Bringer of Darkness now costs 2 genjustu.
6/22/07
Kyuubi Naruto
Damage from Kyuubi Rage is now affected by damage reducing skills.
Zabuza
Hidden Mist Technique now reduces damage only 25% to Zabuza.
Kankuro
Poison Bomb is back to 30 damage over 3 rounds with a 3 round cooldown.
Cursed Seal Sasuke
Katon: Goukakyuu does 20 damage to all enemies for 1 ninjustu 1 random. The damage is unaffected by damage reduction.
Corrupt Chidori now costs 1 ninjustu 2 random.
Nidaime
Water Collision Destruction now costs 1 random less to use.
Shodaime
Birth of the Trees only costs 1 bloodline to use.
6/24/07
Shikamaru
Shadow Bind improves Shadow neck bind damage a total of 150% now.
Cursed Seal Sasuke
Cursed Seal Activation no longer deals damage to CS Sasuke.
Shodaime
Birth of the Trees is back to lasting only 4 rounds.
Nidaime
Bringer of Darkness now reduces the defence of the enemy team by 100% for 3 rounds.
NOTE: OIGINALLY FROM NA