"Obey the command! Thunder Emperor, Come Forth!"
-Syaoran Li/Tsubasa Li
- Kanji = 雷帝招来
- Hiragana = らいていしょうらい
- Romaji = Raitei Shōrai
- Literal English = Thunder Emperor: Summoning
- English TV = Element: Thunder/Lightning
- Users = Syaoran Li/Tsubasa Li
Raitei Shourai is Syaoran Li's main attack spell, using his Ceremonial Jian, and a Taoist paper charm, (A Jufu (呪符)), with the character 雷 on it. It can be used to project blasts of electricity; channels lightning bolts from the sky. Unlike his counterpart, Tsubasa Li doesn't use the paper charm, he simply summons the spell with two fingertips.