Frozen orb vs blizz

orb has a cooldown
but maxing out both will leave you short for energy shield/telekinesis and teleport

2.4 patch notes

Skill Req Level Changes
Frost Nova 6 * Damage level scaling increased by about 25%.
Blizzard 24 * Casting Delay will no longer share its cooldown with other skills that have Casting Delays.
  • Tooltip updated to now display Casting Delay.|

|Frozen Orb|30|* Casting Delay will no longer share its cooldown with other skills that have Casting Delays.

  • Tooltip updated to now display Casting Delay.|
Shield Spells
Skill Req Level Changes
Frozen Armor 1 * Base duration increased from 120 seconds to 144 seconds.
Shiver Armor 12 * Damage level scaling increased by about 25%.
  • Base duration increased from 120 seconds to 144 seconds.|
    |Chilling Armor|24|* Damage level scaling increased by about 200%.

  • Duration bonus per level increased from 6 seconds to 12 seconds.

  • Chill length bonus per level for level 16+ increased from 1 second to 2 seconds (matching Shiver Armor).

  • Defense baseline increased from 45% to 60%.

  • Defense bonus per level increased from 5% to 7%.

  • Frozen Armor damage synergy increased from 7% to 9%.

  • Chilling Armor damage synergy increased from 7% to 9%.|