star item
#Items with punch effect
deep dove
fluid siren
You can use Royal/World Owner Blingin chain its an IOTS. I use it but it is quite expensive tbh. But the trail effect for the royal one in your own world is like the trail effect of actual royal locked world. But it could be a long term investment if you're interested to buy it. There's also Drago's Scarf I suppose 14dlsish rn, Amulet of Force (cheaper option with a good look), Drednok's Chestplate (punch range + punch damage).
There's more option I believe, maybe you can check it via Growtopia Fandom/Wiki.
World owner blingin chain also has a dounle jump effect and transmuteable
valid oak
damn
i cant post the link but if you search "growtopia punch damage" the first link will tell you all items
wanton comet
@potent kraken u can use the incognito hat, it has 2 effects; long build and punch damage which is the pickaxe effect. just transmute it for ur desire looks of that hat