Enjoy the Silence (lvl1a):
-Chip Damage now increased by 30 (was 25, upgraded once from 20)
Cloak and Dagger (lvl1b):
-Shadowmeld/dodge action remains the same
-Attack action now does 90 damage
Shadow Slay (lvl2a):
-Initial damage remains the same
-Poison effect (5 damage per turn to enemies hit by initial attack) now lasts three turns
Cooldowns should remain the same, since the highest damage cap is only 120.