Here are two possible templates for how it could look:
1/6: Stat increase
2/6: Stat increase
3/6: Stat increase
4/6: Special effect
5/6: Stat increase
6/6: Special effect on activating signet
1/6: Stat increase
2/6: Stat increase
3/6: Stat increase
4/6: Stat increase
5/6: Stat increase
6/6: Special effect on activating signet
Here’s my personal idea:
Superior rune of Signets
1/6: +25 Power
2/6: +15% Boon Duration
3/6: +50 power
4/6: Activating a Signet grants swiftness for 5 seconds.
5/6: +90 power
6/6: Lose a condition when activating a Signet