Pachomar

Same here. It also happens with my wind Archer if I spam too much
Dunno if it's the lag or an actual bug

Yeah, they removed it along with NLC for some reason
You can still go though, just go to Mu Lung and take the bird to Golden Temple (1k mesos)

Please, read the patchnotes next time. It's stated that they made a hotkey for it. So open your hotkey setup (By default the " key), and look down in the tab for the monster collection

… (more)

button, drag it somewhere and make it a hotkey.

He's talking about monster boo (the one with familiars) not the monster collection
They removed the hotkey for some reason. Now the only way is opening you euipment tab and open via crusader codex
So annoying (less)