Boost mode is the game mechanics in Ys series that allow player character to increase their attack and defense points for a short amount of time. For some characters, it allows them to change form and gain extra abilities during the boosted time.
In game[]
Ys: The Oath in Felghana[]
Boost mode is first introduced in Ys: The Oath in Felghana and allow Adol to boost his strength and defense for a short amount of time. In boost mode, Adol's attack will increase significantly. With proper timing, he can land ten consecutive hits on a single foe. Adol will also only take half of the damage and will not suffer from knockbacks or interruption when he is hit by enemies.
Ys Origin[]
Boost mode returns in Ys Origin and allow Yunica, Hugo and Toal to boost his strength and defense for a short amount of time. Boost mode allows the characters to take only half of the damage. After boosted, Yunica, Hugo and Toal can use boost again to use Burst.
Play as Yunica[]
When Yunica boosted, her skill will cost half as much MP to use and will pack a greater punch.
Her burst move is a powerful area-of-effect attack that radiates from her body, damaging all who touch it.
Play as Hugo[]
When Hugo boosted, his Eyes of Fact will double in number and their attack range will be expanded.
His burst move is a powerful barrier that emanates from his body, damaging all who touch it.
Play as Toal[]
When Toal boosted, he can event transform into his demon form, allowing him to overcome certain magic barriers placed by Zava, including the Devil's Corridor as well as understand Roo's language.
His burst move is a powerful, directed energy wave that is emitted from his body.
Gallery[]
Legacy[]
Boost mode is later replaced by EXTRA meter that allows player character to be boosted and perform a very powerful attack (EXTRA skill) at the end of the boost mode. The attack can also be triggered by the player before the boosted time is up.