Form of Defense Clicky Hard Mode vs Normal

[Turayalon]

I was just curious if anyone noticed that the hard mode rings have a 3.5cast and normal have 2.0. I am sure most have noticed but I dont see why the cast time would be higher on hard mode rings. Quick example:


Volklana's Ring Jewelry ID: 107062
MAGIC LORE NO TRADE
Slot: Fingers
AC: 71 HP: 1105 + 1/tick MANA: 1060 + 5/tick END: 1060 ATK: 25
STA: 35 + 7 STR: 17 + 10 WIS: 25 + 7 INT: 45 + 5 DEX: 43 + 8 AGI: 30 + 7 CHA: 14 + 8
SV FIRE: 73 SV COLD: 33 SV MAGIC: 54 SV POISON: 54 SV DISEASE: 56
Damage Shield: 1
Damage Shield Mit: 1
Shielding: 3%
Spell Shielding: 4%
DoT Shielding: 1%
Stun Resist: 7%
Avoidance: 6
Accuracy: 10
Combat Effects: 7
Strike Through: 3%
Heal Amount: 11
Spell Dmg: 12
Clairvoyance: 13
Focus Effect: Firiona's Inspiration VIII
» Decrease Mana Cost/Beneficial by 22% at L85
Click Effect: Form of Defense VII Casting Time: 3.5
» Screech; Increase AC by 189; (Self)
Slot 1, type 8: empty
Slot 2, type 3: empty
Required level of 85.
Class: WAR, PAL, RNG, SHD, MNK, BRD, ROG, BST, BER
Tools: CompareAdded...
Raid: Hard Raids in SoD Tier 3
Raid: Hard Raids in Discord Tower

VS

Chaotic Bloodthirst Band Jewelry ID: 106848
MAGIC LORE NO TRADE
Slot: Fingers
AC: 69 HP: 1015 + 2/tick MANA: 995 + 5/tick END: 995 ATK: 25
STA: 40 + 6 STR: 15 + 9 WIS: 40 + 8 INT: 45 + 4 DEX: 15 + 7 AGI: 10 + 6 CHA: 40 + 7
SV FIRE: 40 SV COLD: 45 SV MAGIC: 60 SV POISON: 50 SV DISEASE: 55
Damage Shield: 2
Shielding: 3%
Spell Shielding: 3%
DoT Shielding: 1%
Stun Resist: 6%
Avoidance: 6
Accuracy: 10
Combat Effects: 6
Strike Through: 2%
Heal Amount: 9
Spell Dmg: 9
Clairvoyance: 15
Focus Effect: Vox's Vision III
» Increase Range/Beneficial by 35% at L85
Click Effect: Form of Defense VII Casting Time: 2
» Screech; Increase AC by 189; (Self)
Slot 1, type 8: empty
Slot 2, type 3: empty
Required level of 85.
Class: WAR, PAL, RNG, SHD, MNK, BRD, ROG, BST, BER
Tools: CompareAdded...
Raid: Event 7 - Edge of Destruction in Discord Tower