Skill Prestige perk
Agility +1% bonus accuracy per prestige; does not work in PVP
Attack +1% bonus to your effective Strength bonus per prestige; does not work in PVP
Constitution +1% chance to double the amount of lifepoints restored on a standard regen tick per prestige
Construction +1% bonus Ranged accuracy per prestige; does not work in PVP
Cooking 2% chance to cook twice as fast per prestige
Crafting 2% chance to craft two items at once when glass-blowing or leather-crafting per prestige
Defence +1% bonus to your Defence per prestige
Dungeoneering +1% less likely to fail while opening a skill door per prestige
Farming 1% chance to not consume seeds/saplings when planting anything per prestige
Firemaking 1% chance per prestige to not consume a log when throwing logs into a bonfire
Fishing Invisible +1 level boost to Fishing per prestige
Fletching 2% chance to fletch twice as fast per prestige
Herblore +2% chance to gain the scroll of cleansing effect of making a potion faster per prestige. You do not need to own the scroll of cleansing for this to happen. This chance stacks with the scroll of cleansing.
Hunter Invisible +1 level boost to Hunter per prestige when calculating catch rate
Magic +1% bonus to Magic accuracy per prestige; does not work in PVP
Mining Invisible +1 level boost to Mining per prestige
Prayer Prayer drains 1% slower per prestige
Ranged +1% bonus ranged accuracy per prestige; does not work in PVP
Runecrafting 1% chance at crafting twice the normal amount of runes from a single essence when Runecrafting per prestige
Slayer 1% chance per prestige to receive 2 Slayer caskets instead of one on a drop
Smithing +2% chance to smith an item faster per prestige; stacks with Varrock armor
Strength +1% bonus to your effective str bonus per prestige; does not work in PVP
Summoning Summoned familiars will last 3% longer per prestige
Thieving 2% reduction in damage taken during Thieving activities per prestige
Woodcutting Invisible +1 level boost to Woodcutting per prestige