The next kanji within reach. Each layer shows kanji whose components you already know — start with layer 1, and unlocking those opens layers 2 and 3.
Nothing here yet — keep learning layer 1.
Nothing here yet — keep learning layer 1.
Components that are primitive radicals (｜, 丶, ⺅, …) are treated as base knowledge. Only kanji-typed dependencies need to be mastered before a kanji unlocks.