Upgrade

== Introduction ==
After crafting hero gears, you can upgrade them.
At first, every hear has 0~4 Sub Options, Sub Options can be enforced as well as Main Option of the gear after upgrading.
The more Sub Option the gear has, the cooler it looks. You can check the difference here.
== Details ==
To upgrade gears, Aedilium is needed.
The higher gears' level and grade are, the more Aedilium is needed.
Details is below.
* 0→1: Boost Main Option (100% Upgrade Success Chance)
* 1→2: Boost Main Option & Upgrade or Add Sub Options (100% Upgrade Success Chance)
* 2→3: Boost Main Option (100% Upgrade Success Chance)
* 3→4: Boost Main Option & Upgrade or Add Sub Options (80% Upgrade Success Chance)
* 4→5: Boost Main Option (50% Upgrade Success Chance)
* 5→6: Boost Main Option & Upgrade or Add Sub Options (25% Upgrade Success Chance)
* 6→7: Boost Main Option (15% Upgrade Success Chance)
* 7→8: Boost Main Option & Upgrade or Add Sub Options (10% Upgrade Success Chance)
* 8→9: Boost Main Option (5% Upgrade Success Chance)
* 9→10: Boost Main Option a lot (2% Upgrade Success Chance)
== Bonus Tip. 1 ==
The higher the gear level is, the lower the upgrade success chance is.
There is a way to increase the success chance.
This is an item Antarium.
With using Antarium, Hero gears can be upgraded easier.
As you can see, the success chance is increased. (25% -> 44%)
But, it is not easy to get Antarium, so be careful of using the item.
== Bonus Tip. 2 ==
When you upgrade the gear, you can immediately know whether it is success or failure.
Check the difference below.
The left one is success and the right one is failure. Can you recognize the difference?