They forgot steel lmao excuse you Steel: Ice, Rock, Fairy Also that's great and all, but steel types are a great defensive type with tons of resistances. Fire, Fighting, and ground are the only moves super effective against it. Also it's immune to poison so stall tactics with toxic ardent going to work. Spikes is the only entry hazard that's all that effective against it, and it's rarely used compared to the other two. Conclusion: get a steel type
This image is perhaps almost to dark in its representation, although there is certainly a dark thread running through the novel. However this simplistic representation of smoke and mirrors might be better aimed at the more mature spectrum of a YA readership. However that said I think the blue smoke could work well with the castle turrets perhaps edging out of the top. with the text layers then on top and centered.