Gloomy Mutation Seedling

Gloomy Mutation Plains series.
After placing the item into the Collection Album, the "Gloomy Sprout" status is obtained.

Only one effect of the "Gloomy Mutation Plains" series can exist at the same time
Placing it into the Collection Album permanently activates the additional ability.
After the current season ends, each 1% of "Dark SP ATK" ability value will be converted into 100 ATK values.
After the current season ends, each 1% of "Dark SP DEF" ability value will be converted into 100 DEF values.