User blog comment:Lord Loss/Monster Hunter Frontier G Discussion/@comment-1837917-20120907061826/@comment-969093-20120907115430

炎 (honoo), a combination of fire and dragon. Honoo is used to refer to Teostra in their japanese materials for instance.

雷(Whatever）　For dragon thunder...

3rd　Mentions 天(sky) and something else...

4th is the kanji for flash iirc. Not sure. Flash bombs got that kanji afaik.