Undefined Character (U+138D4)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓣔` `𓣔`
UTF-8 Encoding:	`0xF0 0x93 0xA3 0x94`
UTF-16 Encoding:	`0xD80E 0xDCD4`
UTF-32 Encoding:	`0x000138D4`

References