The highlights:
Tiny
- Grow Scepter attack range bonus increased from 85 to 150
- Toss manacost reduced from 120 to 90/100/110/120
Lich
- Chain Frost no longer applies a ministun
- Ice Armor slow from 30% to 24/26/28/30%
Night Stalker
- Darkness duration reduced from 50 to 40