Osma

Osma is a medium to low priority providing some buffs to Spirit Rest and the Dark Spirit

Hero Couple (Dark Spirit)
Upon reaching 5* makes the Dark spirit an even more powerful unit.

Acquisition
Spirit Highlands Pet Shop
 * 11-6 (1 Frag)
 * 20-15 (3 Frags)
 * 22-20 (3 Frags)
 * 24-1 (1 Frag)

Available for Gems, Guild Coins and Honor Coins.

Secret Shop

Available in the Secret Shop - 5 excess fragments for 2 Osma fragments.

Skill 3 - Awakens the hidden special ability of Senior Dark Spirit

 * Increases the basic speed of the game by 4% and increases the attack range and movement speed by 7%.
 * When first appearing, increases attack speed and movement speed of ally units for a certain period of time.
 * Increases attack range, attack power and critical hit damage of all units by 4%.
 * The maximum value of Spirit Rest increase by 2.5%, increasing maximum efficiency up to 12.5% (The maximum efficiency of current Spirit Rest increases 10% -> 12.5%. In addition, when Blade Master is awakened, the maximum efficiency increases 12.5% -> 15%.)
 * Gold level limit of Dark Spirit increase (Senior - 0, T1 - 20, T2 - 40, T3 - 60).
 * When included in team Dark Spirit increases Medal buff by 50% More (T1 - 15%, T2 - 30%, T3 - 45%). These buffs are halved in the Time Shop.