Formidable

Increases own Aviation by 5% (15%). All Fairey Albacore planes in use gain 5% (15%) additional efficiency. If equipped with Fairey Albacore plane, when launching an airstrike: 70% (100%) chance to launch additional Fairey Albacore planes that has 80% chance to inflict Flooding for 9s upon hitting an enemy (damage is based on skill level and Aviation stat).

Increases this ship's AVI and ACC by 5% (15%). When this ship has Royal Navy gear equipped, the following effects apply: 1) Increases this ship's Torpedo Bomber slot efficiency by 5% (15%); 2) When the enemy-slowing effect of Don't Move An Inch! activates, the enemy's SPD is slowed for an additional 0.5s at 0 SPD; 3) When this ship launches an airstrike: 70% (100%) chance to launch a Lv.1 (Lv.10) special aerial attack using Fairey Albacores; enemies hit by this attack have an 80% chance to be inflicted with Flooding ailment for 9s (aerial attack DMG and Flooding DMG are based on the skill's level and this ship's AVI stat). (Replaces Supporting Wings)

When launching an Airstrike: 50% (80%) chance to reduce the Speed of all enemies to 0 for 0.5s (1.5s). After that, enemy ships will regain their Speed during the next 2.5s. This skill always activates on the first airstrike of each battle.

Decreases damage taken to self by 3.5% (8%). When launching an airstrike: decreases damage taken by other ships in the Main Fleet by 3.5% (8%) for 10s.