Spring mode: Deal Wind damage to 1 foe equal to 73.8%/81.3%/78.3%/85.9% of Attack (3 hits), with a 30% chance to inflict Windswept. When Spring's Edge is active, also gain 1 Spring's Vestige stack and inflict Spiral Sequence for 2 turns. When Frostgale Kotone attacks a foe with Spiral Sequence, increase critical damage by 29.3%/29.3%/31.1%/31.1%. Winter mode: Deal Ice damage to 1 foe equal to 152.7%/168.4%/162.1%/177.8% of Attack, with a 97.6%/97.6%/103.6%/103.6% chance to inflict Freeze. If the target is already Frozen, inflict On Ice for 2 turns. Increase Ice damage taken by 13.7%/13.7%/14.5%/14.5% for foes with On Ice.

Spring mode: Deal Wind damage to all foes equal to 31.3%/34.5%/33.3%/36.5% of Attack (3 hits). When Spring's Edge is active, also gain 2 Spring's Vestige stacks. Winter mode: Deal Ice damage to all foes equal to 83.8%/92.4%/89.0%/97.6% of Attack, with a 48.8%/48.8%/51.8%/51.8% chance to inflict Freeze. When Winter's Edge is active, increase this skill's damage by 20%.

Spring mode: Activate Spring's Edge for 1 turn, and deal Wind damage to 1 foe equal to 92.8%/102.3%/98.5%/108.0% of Attack (3 hits). While Spring's Edge is active, when allies deal Wind damage with a skill, Highlight, Theurgy or Resonance, deal Wind damage to the selected target equal to 20% of Frostgale Kotone's Attack, and gain 1 Spring's Vestige stack. When Spring's Edge ends, spend all Spring's Vestige stacks, and deal Wind damage to the target selected that turn equal to (number of Spring's Vestige stacks + 4) x 36.4%/40.1%/38.6%/42.3% of Attack. This damage is counted as a Resonance. Winter mode: Activate Winter's Edge for 1 turn, and deal Ice damage to 1 foe equal to 229.0%/252.5%/243.1%/266.5% of Attack. While Winter's Edge is active, when an ally takes an attack, grant Glacial Heart to all allies for 2 turns, protecting them from up to 1301/1301/1380/1380 damage. This effect can be activated up to 2 times. Also, when allies deal Ice damage with a skill, Highlight, Theurgy, or Resonance, gain 1 Winter's Vestige stack. When Winter's Edge ends, spend all Winter's Vestige stacks, and deal Ice damage to the target selected that turn equal to (number of Winter's Vestige stacks + 4) x 27.9%/30.8%/29.6%/32.5% of Attack. This damage is counted as a Resonance.

At the start of battle, if a Wind ally is in the party, increase Frostgale Kotone's Wind damage by 33.0%. At the start of battle, if an Ice ally is in the party, increase Frostgale Kotone's Ice damage by 33.0%.

While in Spring mode, each time an ally attacks with the Wind attribute, increase party's Attack by 8.1% for 2 turns. Stacks up to 5 times. While in Winter mode, each time Frostgale Kotone gains a shield, increase party's Defense by 9.0% for 2 turns. Stacks up to 4 times.