Bulk Update Request: Bat 621 parity

Script

create alias bats_in_background (0) -> ambient_bat (6)
create implication nimbat (45) -> bat (479)
create implication succubat_(dragon_quest) (0) -> bat (479)
create implication werebat (0) -> werecreature (1659)
create implication werebat (0) -> bat (479)
create implication megabat (1) -> bat (479)