skills;

4*/5* FORM:

- • Leader's Skill: Hero's Order — Chance of BB gauge greatly filling when attacking.
• Brave Burst: Frozen Axe — 6 combo powerful Water attack on all enemies.
• Brave Burst: Cursed Blue Slash — 8 combo powerful Water attack on all enemies.
The above are based off of when he's a playable unit; the below are based off of when he's an NPC opponent.
• Verdant Axe — 7 combo single target Water and Earth attack with a 30% chance to inflict injury and/or weakness.*
• Lightning Axe — 7 combo single target Water and Thunder attack with a 50% chance to inflict paralysis.
• Flashing Axe Combo — 7 combo single target Water and Light attack with a 25% chance to inflict injury, sickness and/or weakness. / 7 combo single target Water and Light attack & applies 100% DoT buff for 2 turns.
• Blue Execution
• Flood Offensive — Boosts ATK by 30% and reduces DEF by 50% for 3 turns.
• Tidal Offensive — Boosts DEF by 80% and heals over time for 3 turns.
FROM CHAIN CHRONICLES COLLABORATION:
• Blue Demon Flash — After dealing light frost damage to one enemy in front of Karl, deal light damage to all surrounding enemies, and then deal light damage to all enemies at the vanguard.
• Awoken Bravery of Ice — Normal attacks have a 10% chance to inflict freeze, and immunity to freeze.
• Flashing God's Command — Sometimes gain mana upon slaying an enemy, and deal bonus SPARK damage when attacking an enemy alongside another ally.
• Blue Soul — Immune to freeze.
6* FORM:

- • Leader Skill: Flashing God's Command — Boosts BB gauge greatly when attacking & slight boost in BB gauge produced during Spark.
• Brave Burst: Blue Demon Flash — 16 combo powerful Water attack on all enemies.
• Super BB: Cobalt Demon Execution — 24 combo powerful Water attack on all enemies & greatly boosts Unit's own Atk, Def, and Rec for 3 turns.
Again, below are based off of his NPC moves:
• Tidal Offensive — Reduces damage taken by 25% for 3 turns & gradually recovers large amounts of HP for 5 turns.
• True Flashing Axe Combo — 8 combo Water and Light attack on single enemy & applies 230% DoT buff for 2 turns.
• True Lightning Axe Combo — 7 combo Water, Thunder attack on single foe, 60% chance to inflict Paralysis & 20% reduction to resistance against this attack.
• Roaring Axe Blade — Thunder attack on single foe with chance to inflict Paralysis?
• Natural Axe Blade — Earth attack on single foe with chance to inflict Injury, Weakness?
• Cobalt Dragon's Flash — 9 combo Water attack on single enemy that deals 60-75% of HP as damage.
• Cobalt Dragon's Formation — Reduces damage taken by 50% for 3 turns, gradually recovers large amounts of HP for 3 turns, boosts Atk by 40% for 3 turns & reduces resistance to Injury by 80% for 3 turns.
• Cobalt Dragon's Judgement — 14 combo Massive Water attack on all enemies & gradually recovers massive HP for 2 turns.
• Cobalt God's Blessing — Gradually recovers 30,000 - 35,000 HP for all allies for 3 turns.
7* FORM:

- • Leader Skill: Dragon's Cry — 40% boost to Atk, max HP, hugely boosts BB gauge when attacking normally, Spark damage slightly boosts BB gauge & considerably boosts BB gauge each turn.
• Extra Skill: Draconic Blood Tie — Adds BC efficacy boost to BB/SBB for 3 turns & boosts Atk, Def, Rec when BB gauge is over 50%.
• Brave Burst: Azure Dragon Slash — 18 combo Water attack on all foes, considerably boosts own Atk, Def, Rec & considerably boosts BB Atk for 3 turns.
• Super BB: Cobalt Demon Execution —26 combo powerful Water attack on all foes (consecutive uses boost damage), slightly boosts OD gauge, considerably boosts BB Atk & boosts Atk relative to HP for 3 turns.
• Ultimate BB: Ruling Frost: Null Heavens — 28 combo massive Water attack on all foes (damage relative to remaining HP), enormously boosts BB Atk & Atk, Def for 3 turns & enormously boosts BB gauge for 2 turns.