Strength gain decreased from 3.6 to 3.2
Base Movement Speed decreased from 315 to 310
Breathe Fire: Damage Reduction rescaled from 30% to 20/24/28/32%
Breathe Fire: Cast range increased from 600 to 1000
Breathe Fire: Fixed the cast indicator not matching the actual damage range of the ability, and also to properly reflect cast range bonuses
Dragon Tail: No longer has an Elder Dragon specific cast range
Dragon Tail: Now has 25 radius AoE by default
Wyrm's Wrath: Now always grants the 10/20/30/40 bonus magic damage on attack, and 25/50/75/100 Area of Effect bonus
Elder Dragon Form: Now evolves per level. The bonuses are cumulative
Elder Dragon Form: Level 1: Green Dragon: Attacks apply a Corrosive poison that deals 25 magical damage per second for 3 seconds. Affects buildings
Elder Dragon Form: Level 2: Red Dragon: Attacks have splash damage that deals 75% of attack damage to all enemies within 275 AoE range
Elder Dragon Form: Applies Corrosive poison to all affected units. Other attack modifiers will affect only the primary target
Elder Dragon Form: Level 3: Blue Dragon: Attacks also apply a Frost debuff, which pierces Debuff Immunity and slows attack by 50 and movement by 30%
Elder Dragon Form: Splash attacks apply Corrosive poison and Frost slow to all affected units. Other attack modifiers will affect only the primary target
Elder Dragon Form: Bonus Move Speed increased from 20 to 25/30/35
Elder Dragon Form: No longer provides bonus attack damage
Elder Dragon Form: Now also increases cast range of all abilities by 350
Elder Dragon Form: Aghanim's Scepter no longer improves Wyrm's Wrath effectiveness while in Dragon Form
Elder Dragon Form: Aghanim's Scepter Black Dragon stats slightly rescaled
Elder Dragon Form: Level 4 Black Dragon has the following stats: 40 Bonus Move Speed, 35 Corrosive Damage, 100% Splash Damage, 350 Splash Radius, 65 Attack Slow, 45% Movement Slow, and also provides +20% Magic Resistance and free pathing
Fireball: No longer has an Elder Dragon specific cast range
Fireball: Damage per second increased from 75 to 85
Fireball: Duration decreased from 8s to 6s
Talents: Level 20 Talent +60% Breathe Fire Damage/Cast Range replaced with +200 Breathe Fire Damage
Talents: Level 25 Talent +50% Wyrm's Wrath effect during Elder Dragon Form replaced with +50% Wyrm's Wrath Bonuses