i infinite
u non-infinite
n unobtainable in vanilla skyblock

inf:
bat
cat
chicken
cod
cow
donkey
fox
horse
mooshroom
mule
ocelot
parrot
pig
puffer
rabbit
salmon
sheep
skeletonhorse
snowgolem
squid
strider
tropicalfish
turtle
villager	(conversion)
wtrader
bee
dolphin
enderman
irongolem
llama
piglin
panda
polarbear
spider
wolf
zombiepig
blaze
creeper
drowned
endermite
evoker
ghast
guardian
hoglin
husk
magmacube
phantom
pillager
ravager
skeleton
slime
stray
vex
vindicator
witch
witherskele
zoglin
zombie
zombievillager
edragon
wither

unobtainable in skyblock
cavespider
elderguardian
piglinbrute	(bastioninabook*)
shulker		(endshipinabook*), renewable after initial obtaining
silverfish	(mod generation*)