He's cute.
wear welding gloves or something strong like cow hide when re potting.course I also added tongs and used plastic sheeting when moveing some prickly pear.
If get thorns in hand....get duct tape....press rip er off.
deep ones brown sugar& dawn dish soap make paste wrap in guaze remove in 12 hours& wash.I use it for
rose thorns,but works on cacti thorns too.
I use a schultz cacti mix here in states.You need Longy.he's your area and would know EXACTLY which soil you'd need.my mix feels gritty& has perlite added.