[Kameron8]

Counter edge appears to be adding 5/10/15 damage to counter attacks, instead of 15/20/25.  See four different Quick Draw attacks with Sheath Sword below, each with varying ranks of Counter Edge:

No Ranks in Counter Edge:

Quick Draw! OOC Allaina draws their sword with lightning speed!

System: Debug: Total Power for Orichalum Yukijin / Orichalum Yukijin was 92.
OOC Allaina attacks Prinny with Orichalum Yukijin!
Prinny takes 94 Slash physical damage.
System:
* Initial Damage: 94 Slash Physical, flags: counter, sk: null, wep: Orichalum Yukijin /

Counter Edge 1/3:

Quick Draw! OOC Allaina draws their sword with lightning speed!
System: Debug: Total Power for Orichalum Yukijin / Orichalum Yukijin was 92.
OOC Allaina attacks Prinny with Orichalum Yukijin!
Critical Hit! Prinny takes 122 Slash physical damage.
System:
* Initial Damage: 99 Slash Physical, flags: counter, sk: null, wep: Orichalum Yukijin / 

Counter Edge 2/3:

Quick Draw! OOC Allaina draws their sword with lightning speed!
System: Debug: Total Power for Orichalum Yukijin / Orichalum Yukijin was 92.
OOC Allaina attacks Prinny with Orichalum Yukijin!
Prinny takes 104 Slash physical damage.
System:
* Initial Damage: 104 Slash Physical, flags: counter, sk: null, wep: Orichalum Yukijin /

Counter Edge 3/3:

Quick Draw! OOC Allaina draws their sword with lightning speed!
System: Debug: Total Power for Orichalum Yukijin / Orichalum Yukijin was 92.
OOC Allaina attacks Prinny with Orichalum Yukijin!
Prinny takes 109 Slash physical damage.
System:
* Initial Damage: 109 Slash Physical, flags: counter, sk: null, wep: Orichalum Yukijin /

The initial damage parameter gets upped by 5 with each rank up.