Fortification · 1 [passive]
Increases the number of Support Actions by 1.
At the start of combat, deals 4 stability damage to all enemy units within an 8-block radius around you.
Weak Electric Overlay adds a new effect: upon gaining this effect, you take fixed damage equal to the current number of stacks x 10% of the caster's attack power.
Strong Electric Supplement adds a new effect: upon gaining this effect, you recover 10% of your maximum health.

Fortification · 2 [ultimate]
Reduces the cooldown by 1 turn and increases the Confectance Index gained by 1.
Restores 2 stability index to all friendly units, increases the number of negative effects dispelled by 1, and removes evasion and induction effects.

Fortification · 3 [skill 2]
Increases the skill coefficient to 140%.
Increases damage dealt to targets with Weak Electric Overlay by 30%; dispels 1 positive effect on the target before dealing damage.

Fortification · 4 [skill 1]
Gain Attack Boost II before attacking for 3 turns. When dealing stability damage, deal 5 stability damage to all negatively charged enemy units.

Fortification · 5 [skill 2]
Increases the number of dispel buffs by 1.
If the target is in stability broken, make an additional attack.

Fortification · 6 [passive]
Increases the fixed stability damage dealt at the start of combat by 4.
While possessing Momentum, increases the Electric damage dealt by 15%.
Increases the stacking limit of Weak Electricity by 3.
Revised the Strong Electricity supplementary effect: the defense ignored when dealing Electric damage has been increased to 10%, and the healing effect received has been increased to 10%.