528. Use the following Katakana characters to make one kanji character. ナ ノ ノ ロ ナ ル ム

Answer:

ナ  Katakana "Na"

ノ  Katakana "No"

ム  Katakana "Mu"

ル  Katakana "Ru"

ロ  Katakana "Ro"

Arrange them like this: 

塊  KAI, katamari - lump, clod, clump