click on the creature to upgrade just click when he has his swords
yes this is a slight rework/buff in blob defense I just really like what I had done with it looks so much better also update def gonna take a bit btw look inside the project, there's quite some information + old designs of lvls 1-4, lvl 5 is just gone but a fake version was made to show the original idea look in last sprite and second sprite costumes