Help on spell summon undead

Current upkeeper: Pickett
Casting time    : 8
Spell cost      : 500
Spell type      : generic
Spell words     : ksaat naten romaj
Soul cost       : 20
This spell is used to summon an undead raised by you back to you, if it has
for some reason failed to follow you.  This spell costs additionally about
15 souls to cast.

Summon squall horde < List > Sumupuku song