Change Skill Set

Updated on January 3rd, 2023. Actual in-game values may vary from those shown in this document.
Each Mongen can prepare a certain number of skills at the same time. However, Mongen can only use one of them in each battle. This skill is called Active Skill
The number of skills that can be prepared and the rarity of the skill depends on the rarity of the part in Mongen's DNA.
User can change the skill mongen is using by using Skill Stones
The list and icons of Skill Stones are as follows:
Icon
Item
Description
Normal Stone
When used, randomly choose one of prepared Basic Skill (exclude current Active Skill) as Active skill.
Reroll Stone
When used, chosen prepared Basic Skill is replace by the new skill that is not in list of prepared skill randomly. If Active Skill is chosen, the new replaced skill will be set as Active Skill.
Normal Amethyst
When used, randomly choose one of prepared Ultimate Skill (exclude current Active Skill) as Active skill.
Reroll Amethyst
When used, chosen prepared Ultimate Skill is replace by the new skill that is not in list of prepared skill randomly. If Active Skill is chosen, the new replaced skill will be set as Active Skill.
Common Elective Stone
When used, chosen prepared Basic Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Uncommon Elective Stone
When used, chosen prepared Basic Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Rare Elective Stone
When used, chosen prepared Basic Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Epic Elective Stone
When used, chosen prepared Basic Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Legendary Elective Stone
When used, chosen prepared Basic Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0
Common Elective Amethyst
When used, chosen prepared Ultimate Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Uncommon Elective Amethyst
When used, chosen prepared Ultimate Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Rare Elective Amethyst
When used, chosen prepared Ultimate Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Epic Elective Amethyst
When used, chosen prepared Ultimate Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.
Legendary Elective Amethyst
When used, chosen prepared Ultimate Skill is replace by the new
skill that is not in list of prepared skill by your choice. If Active Skill is chosen, the new replaced skill will be set as Active Skill. Note: You cannot choose skill that have spawn rate equal to 0.