• Base movement speed increased to 330 from 325.
•  Headbutt: Range increased to 650 from 600.

V1.0.0.146:

• General:
  • Base movement speed reduced to 300 from 305.
•  Headbutt:
  • Cast range reduced to 600 from 650.

V1.0.0.144 - August 7th Hotfix:

•  Headbutt: damage adjusted to 55/110/165/220/275 from 85/130/175/220/265.

V1.0.0.142:

•  Trample: damage reduced to 7-24 from 10-27.
•  Triumphant Roar: mana cost increased at earlier ranks to 40/50/60/70/80 from 28/41/54/67/80.

V1.0.0.139:

• Now gains 1.25 magic resist per level.

V1.0.0.135:

•  Triumphant Roar mana cost increased to 28/41/54/67/80 from 20/35/50/65/80.
•  Unbreakable Will mana cost reduced to 100 form 150.
•  Trample damage increased to 10-27 per second from 10-23.

V1.0.0.134:

•  Pulverize mana cost reduced to 70/80/90/100/110 from 80/90/100/110/120.
•  Headbutt mana cost reduced to 70/80/90/100/110 from 70/85/100/115/130.
•  Triumphant Roar mana cost increased at later ranks to 20/35/50/65/80 from 20/30/40/50/60.

V1.0.0.133:

• Fixed a bug where  Triumphant Roar was not granting assists.

V1.0.0.124:

•  Unbreakable Will
  • Physical and magic damage reduction reduced to 50/60/70% from 75% at all ranks.
  • Duration changed to 7 seconds at all ranks from 6/7/8.

V1.0.0.121:

•  Headbutt: ability power ratio reduced to 0.7 from 0.8.
•  Pulverize: ability power ratio reduced to 0.5 from 0.6.
•  Triumphant Roar: ability power ratio reduced to 0.2 from 0.4.

V1.0.0.118b:

• Health per level reduced to 102 from 110.
•  Pulverize:
  • Ability power ratio reduced to 0.6 from 0.8.
  • Reduced the chance of failed knockups near terrain.
•  Headbutt:
  • Base damage reduced to 85/130/175/220/265 from 85/135/185/235/285.
  • Ability power ratio reduced to 0.8 from 1.0.

V1.0.0.116: (Rework)

• Updated walking animation.
• Stats:
  • Base health reduced to 442 from 468.
  • Health per level reduced to 110 from 114.
  • Base mana increased to 215 from 192.
  • Mana per level increased to 38 from 33.
  • Base attack damage reduced to 55.03 from 59.525.
  • Attack damage per level increased to 3.62 from 3.375.
  • Base movement speed increased to 305 from 300.
• Removed innate  Colossal Strength:
  • Alistar deals 20 / 40 / 60% additional damage to turrets.
• New innate  Trample:
  • Whenever Alistar casts a spell, he gains Trample for 3 seconds ignoring unit collision and dealing 9 + (1×level) + (0.1 per ability power) area damage per second. It deals double damage to minions and monsters.
  • Added new animations and particles for Trample.
•  Pulverize:
  • Base damage reduced to 60/105/150/195/240 from 80/125/170/220/270.
  • Ability power ratio reduced to 0.8 from 1.0.
  • Cooldown changed to 17/16/15/14/13 from 15 at all ranks.
  • Range increased to 365 from 330.
  • Stun duration after the 1 second knock-up reduced to 0.5 seconds from 1 second.
•  Headbutt:
  • Base damage reduced to 85/135/185/235/285 from 90/140/190/245/300.
  • Cooldown changed to 14/13/12/11/10 from 12 at all ranks.
  • It can now target minions.
  • Improved targeting against moving targets.

V1.0.0.105:

• Fixed a bug with  Pulverize where the stun particle would show over units that didn't get stunned.

V1.0.0.100:

•  Headbutt can no longer be cast while rooted.
•  Unbreakable Will tooltip corrected to state that it removes all crowd control but not all debuffs.
•  Pulverize tooltip corrected to not imply that enemies do not take damage until they land.
• Base attack speed increased to 0.625 from 0.550.
• Attack speed per level increased to 2.13% from 1.0%.

V1.0.0.96:

• Fixed an issue where Alistar's attack timing was too fast.

V1.0.0.87:

• Fixed a bug that prevented Alistar from casting spells immediately after using  Headbutt.

V1.0.0.86:

•  Pulverize now deals damage when the target is knocked into the air, rather than when they hit the ground.

V1.0.0.83:

•  Triumphant Roar:
  • Self heal increased to 60/90/120/150/180 from 50/75/100/125/150.
  • It now heals surrounding allied units for half of the self heal amount.
•  Headbutt is no longer castable while immobilized.

V1.0.0.79:

•  Triumphant Roar: cooldown reduction by nearby death reduced to 2 from 4.
•  Unbreakable Will:
  • Duration reduced to 6/7/8 from 6/8/10.
  • Damage bonus increased to 60/75/90 from 60 at all ranks.

V1.0.0.74:

•  Pulverize: stun duration reduced to 2 seconds from 2.2.

V1.0.0.72:

•  Pulverize: stun duration lowered to 2.2 seconds from 2.5 seconds.
•  Headbutt: animation improved.

V1.0.0.61:

• Fixed a bug in which  Triumphant Roar's cooldown was reduced by some abilities e.g.  Poison Trail,  Cannon Barrage, etc.

V1.0.0.58:

• Fixed a bug where certain abilities would affect  Triumphant Roar cooldown.

V0.9.25.21:

• REWORKED  Triumphant Roar:
  • Cooldown increased to 12 seconds from 4 seconds.
  • Whenever a nearby enemy dies its cooldown is reduced by 4 seconds.
  • Heal, cost and ability power ratio increased.

V0.9.22.16:

•  Colossal Strength: extra damage to turrets increased to 20/40/60% from 20/30/40/50%.

V0.9.22.15:

•  Colossal Strength no longer reduces damage taken by turrets (still increases damage to turrets).
•  Headbutt:
  • Can no longer target minions.
  • Damage increased to 90/140/190/245/300 from 80/135/190/245/300.
•  Pulverize damage increased to 80/125/170/220/270 from 70/120/170/220/270.
• Movement Speed increased to 300 from 290.

V0.9.22.7:

•  Triumphant Roar: healing reduced to 40/65/90/110/130 from 50/70/90/110/130.

V0.8.22.115:

•  Pulverize: area of effect increased to 330 from 300.
•  Unbreakable Will:
  • Damage reduction increased to 75% from 70%.
  • Now removes all debuffs on him when cast.

V0.8.21.110:

•  Pulverize: stun duration upon hitting the ground increased to 1.5 from 1 sec.

June 6, 2009 Patch:

•  Unbreakable Will: tool-tip updated.

May 29, 2009 Patch:

• REMAKE  Unbreakable Will: Alistar gains 60 Damage, and takes percentage based reduced physical and magical damage for the duration.

May 23, 2009 Patch:

•  Pulverize: stun duration reduced to 2.2 from ~2.7 sec.

May 15, 2009 Patch:

•  Unbreakable Will: bonus damage reduced to 60 from 80.
•  Headbutt:
  • Stun duration reduced to 1 second from 1.25.
  • Speed the target gets pushed back with increased to 1200 from 1000.

May 1, 2009 Patch:

•  Unbreakable Will: duration reduced to 8/12/16 from 10/15/20.

April 25, 2009 Patch:

• Updated recommended items.

April 18, 2009 Patch:

•  Unbreakable Will:
  • Duration increased to 10/15/20 from 5/10/15.
  • Added +80 Damage.
• Base Attack Range increased to 125 from 100.
• Added a Charging component to  Headbutt, increasing its range to 650 from 200.

Alpha Week 7:

•  Unbreakable Will can now be properly cast when stunned, silenced, etc.

Alpha Week 6:

•  Triumphant Roar:
  • Cooldown reduced to 4 seconds from 5 seconds.
  • Heal increased to 50/75/100/125/150 from 50/70/90/110/130, and is now improved with ability power.
•  Ferocious Howl has been renamed to  Unbreakable Will.

Alpha Week 4:

•  Headbutt: Fixed tooltip to explain that it deals Magical Damage.
•  Ferocious Howl: Fixed tooltip to explain that the health increase is temporary.

Alpha Week 2:

• Fixed tooltip typos for  Ferocious Howl.