Hi! Thank you for reaching out. Yes, we are currently in the process of creating the corresponding sprites for these battlers. In fact, several have been released already!
https://megatiles.itch.io/tiny-tales-elemental-npc-sprite-pack
https://megatiles.itch.io/tiny-tales-faith-and-evil-npc-sprite-pack
https://megatiles.itch.io/tiny-tales-wild-beasts-npc-sprite-pack
The sprites for the remaining two battler packs will be arriving shortly as well!