Elder Dragon Form

Now evolves per level. The bonuses are cumulative

Level 1: Green Dragon: Attacks apply a Corrosive poison that deals 25 magical damage per second for 3 seconds. Affects buildings

Level 2: Red Dragon: Attacks have splash damage that deals 75% of attack damage to all enemies within 275 AoE range

Applies Corrosive poison to all affected units. Other attack modifiers will affect only the primary target

Level 3: Blue Dragon: Attacks also apply a Frost debuff, which pierces Debuff Immunity and slows attack by 50 and movement by 30%

Splash attacks apply Corrosive poison and Frost slow to all affected units. Other attack modifiers will affect only the primary target

Bonus Move Speed increased from 20 to 25/30/35

No longer provides bonus attack damage

Now also increases cast range of all abilities by 350

Doesn't affect items

Aghanim's Scepter no longer improves Wyrm's Wrath effectiveness while in Dragon Form

Aghanim's Scepter Black Dragon stats slightly rescaled

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

Bonus Attack Damage decreased from 20/60/100/140 to 20/50/80/110