Cri + 5, increases Radiant Spear damage by 15%.
Every 2 refine rate, Atk + 25, Atk + 1%.
Every 3 refine rate, increases Radiant Spear damage by 5%.
If refine rate is 7 or higher, increases critical damage by 20%.
If refine rate is 9 or higher, Cri + 15, C.Rate + 5.
If refine rate is 11 or higher, increases Radiant Spear damage by additional 15%.

When equipped with Time Dimensions Rune Crown (Imperial Guard), increases Cannon Spear damage by 45%, increases long ranged physical damage by 20%,
if grade of Time Gap Guardian Spear and Time Dimensions Rune Crown (Imperial Guard) is A or higher, increases Cannon Spear damage by additional percentage equal to 2 times the sum of refine rate of set, when using Radiant Spear, auto-cast Cannon Spear at the maximum level the user has learned (the user must have learned Cannon Spear at level 1 or higher for auto-casting).

[Bonus by grade]
[Grade D] P.Atk + 5.
[Grade C] Increases Radiant Spear damage by 15%.
[Grade B] Increases long ranged physical damage by 10%.
[Grade A] Every 2 refine rate, P.Atk + 3.
Class: Spear Attack: 240
Weight: 270
Weapon Level: 5
Required Level: 250
Jobs: Imperial Guard