Aside from using default emotes and reactions, you can also upload your custom ones. To do so, go to the Subscriptions page and navigate to the Reactions or Emotes tab. Then, scroll down to Collections and select Add Reaction/Emote. This will display a panel on the right, so make sure to click on Select from Gallery.
Once in the gallery, select Upload File to start uploading your custom emotes and reactions!
Slots for emotes and reactions currently increase depending on your number of subscribers:
- 0 subs → 3 slots
- 1 sub → 4 slots
- 5 subs → 5 slots
- 10 subs → 6 slots
- 15 subs → 7 slots
- 20 subs → 8 slots