From Level 1 to 99: When to Grab Warm Clothing and Tackle Wintertodt in Osrs
The math underlying Wintertodt creates an odd paradox: high-level combat accounts face far steeper healing costs than brand-new accounts. Cold damage scales as a percentage of your maximum Hitpoints. A skiller with 10 Hitpoints takes 1 damage per hit when wearing four warm pieces. A simple piece of cake, restoring 12 Hitpoints over three bites, covers twelve distinct damage events.
Bring a 99 Hitpoints combat main into the same arena, and each tick of passive cold damage hits for 8 to 14 damage. Standard food becomes useless. Maxed accounts find themselves forced to bring expensive Saradomin brews or fish baskets full of karambwans to survive a standard five-minute round. Completing 99 Firemaking early saves hundreds of thousands of coins in food consumption.