With the newest update High Difficulty quests for Choco Volcano and Skill Trees for Suhail and Borealis have been added. Six Ether Stones have been given as maintenance compensation.

Suhail’s first skill has five upgrades. The first upgrade allows the skill to be used again up to two times per turn if all enemies have more than 6 Debuffs combined. The left path will lower the number of Debuffs required by 3 when fully upgraded. The right path increases its damage by 7%. The final upgrade increases damage by an additional 3%.

Second skill has the passive effect of increasing damage to enemies with damage over time effects by 20%. The poison chance to all enemies can be increased to 100%

Third skill's first upgrade lowers the viewpower required to use it by 500. The left path continues to reduce the amount required by 5000 in total. The right path starts by giving him a 20% chance to remove 1 Debuff from himself before attacking which can be upgraded to a 100% chance. The final upgrade increases the Debuffs removed by 1.

Borealis’ first skill gives him a Symphony Gauge and the upgrades increase the amount of points it gets at the start of battle up to 5. The skill also gets a new passive whenever an ally earns 5000 or more viewpower increase Symphony Gauge by one and when filled the skill turns into Ternio Cantum and lets the ally with the highest and second highest attack to follow up after Borealis

Second skill can remove 1 Debuff from himself and at max value is 100% chance. The final upgrade will remove 1 Debuff from all allies if Concert is in effect.

Third skill's first upgrade increases ally attack by 3% if they have Concert. The left path increases this to 25%. The right path gives the passive if there is 10,000 or more viewpower when the skill is used he will use an additional 3000 to extend the duration of Concert by 1 turn. The 10,000 requirement goes down to 3000 when fully upgraded. The final upgrade increases his speed by 10 if he has Concert