▁Un rest raint ▁called ▁the ▁" P s alm ▁of ▁Grand ▁Order " ▁and ▁the ▁Mid night ▁Lost ▁Child , ▁which ▁res ides ▁in ▁Yu ji , ▁are ▁the ▁keys ▁vital ▁to ▁their ▁plot . ▁The ▁sub ordinate ▁members ▁of ▁Bal ▁Mas qué ▁are ▁largely ▁class ified ▁into ▁three ▁types ▁of ▁functions ; ▁the ▁combat ants ▁called ▁W ander ers , ▁the ▁track ers ▁and ▁sc outs ▁called ▁Ja eg ers , ▁and ▁the ▁mess engers ▁called ▁Her ald s . ▁ ▁H ec ate ▁/ ▁▁ ▁H ec ate ▁is ▁one ▁of ▁the ▁Tr inity ▁of ▁the ▁Bal ▁Mas qué , ▁entitled ▁as ▁" the ▁Pri est ess ". ▁She ▁also ▁controls ▁the ▁movements ▁of ▁S erei - den , ▁Bal ▁Mas qué ' s ▁base . ▁A ▁small ▁pale ▁girl ▁with ▁white ▁c ape ▁and ▁hat ▁w ield ing ▁a ▁staff - like ▁tre asure ▁tool , ▁Tr ig on , ▁she ▁doesn ' t ▁speak ▁much . ▁Syd on ay ▁seems ▁to ▁care ▁for ▁her ▁a ▁lot . ▁Bel ▁Pe ol ▁always ▁mentions ▁her ▁having ▁" et ernal ▁existence ". ▁Her ▁position ▁is ▁very ▁important ▁with ▁respect ▁to ▁what ▁the ▁Bal ▁Mas qué ▁plans ▁to ▁do ▁with ▁the ▁Mid night ▁Lost ▁Child , ▁since ▁she ▁is ▁the ▁one ▁who ▁can ▁take ▁the ▁power ▁of ▁the ▁Mid night ▁Lost ▁Child ▁and ▁send ▁it ▁out ▁to ▁everything ▁in ▁Se ire iden . ▁ ▁H ec ate ▁is ▁a ▁sad , ▁quiet ▁character , ▁who ▁has ▁taken ▁up ▁the ▁habit ▁of ▁prayer ▁-