evolved form; developed form
Used especially in gaming, anime, and pop culture for a character or creature's advanced or transformed state. Also used more broadly for any evolved version of something.
This Pokémon's evolved form is very strong.
The evolved form of that idea led to the current product.
進化 is the general process of evolution, while 進化形 refers specifically to the resulting evolved form or version.
Standard kanji spelling; 形 suggests a form or shape.
Variant spelling using 系 (system/lineage), common in gaming and pop culture contexts.
Formed from 進化 “evolution; development” and 形 “form,” denoting a form produced through evolution or further development.