In this order:
Chainsaw, measuring tool, chalk, strong friend, wedges, sledges for taking done the tree and boning it out. Shellac and a cheap brush for keeping it from checking too bad. Insecticide for keeping the bugs out.
Vise for handling it through it all. Sturdy work bench.
Bandsaw, drawknife, scrapers, end-weighted centerline string, Ferret floppy ruler, metal yardstick, pencil, spring clamps for roughing it out, getting a ring, laying it out for final shaping.
Nicholson #49 rasp, scrapers, Bowyer's Edge (BE) for getting it's layout perfect and floor tillering.
6" Nicholson rattail bastard file for making string nocks. Tillering string. Tillering tree, pulley arrangement, rasps, BE and scrapers for chasing tiller.
Rasps, files, scrapers, BE, sandpaper for final shaping of tips and handle and for cleaning it up before finishing.
Progressively fine sandpaper, steel wool, tack cloth for final sanding. Dyes and stains for coloring. Spray poly for top coat. Leather for handle and strikeplate with requisite cutting sewing tools.
I'm sure I'm forgetting some stuff too.