魔 is a Japanese kanji written with 21 strokes, listed here under the keyword “witch”. It is built from 麻 (hemp) and 鬼 (ghost). In Remembering the Kanji by James W. Heisig it is frame 2178.
On KumiJi Glyph Explorer, open the parts search and type “hemp” + “ghost”. 魔 is among the results, together with every other character containing the same shapes.
Open 魔 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.