Fastest Slayer XP in OSRS

To get the fastest slayer xp in OSRS, you should aim to block and skip slayer tasks that arent burstable or cannonable, so skip the slow tasks. On burstable tasks, you should be using the bracelet of slaughter to extend them and prolong the fast xp rates.

Burstable tasks get you 50 to over 100k slayer xp per hour depending on the task and your gear.