Lunar Charms are often not made with an evident purpose like Ability Charms but can be put to any use the Lunar can think of.
Stamina Charm- the Lunar can raise their body temperature.
Dexterity Charm- they can repeat one physical action that they failed.
Fault Mastering Swiftness
Solar Ability Charms are more evidently designed for a purpose. Iron Whirlwind Attack dramatically increases the number of attacks the character can make with melee weapons. Lunar Charms are more like effects that don't have a purpose in themselves but can be put to any use they can think of.
Higher Essence Charm they can replay the moment using a different method without incurring penalties for repeated action.
Stamina Charm- their bodies can generate more or less heat.
At higher level they can freeze or boil water within the proximity.
