At the time of writing, the following is a list of Glyphstones that may be used in battle:
Increases Attack Modifier by +3 for 2 attack phases
Decrease damage inflicted by attacker by 10% for 2 attack phases
Increases all units HP by +2
Used when on Defense; steals first attack advantage making it Your Turn to attack
Increases the chance by 30% of a failed air strike for 2 Turns
Increase likelihood of Critical Hit by 30% for 3 attack phases
Units get 3 attack phases each for 2 turns; making them incredibly deadly.
+3 HP For All Units On Battlefield
While on defense, all attacks will be deflected and inflict corresponding damage on the attacking unit for 1 round.