Rank 1
Afflicting a target with Serpent Sting allows 25% of your Mana Regeneration to continue while casting for 15 sec, increased to 50% when Rapid Killing is consumed.
Rapid Recuperation
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Rank 2
Afflicting a target with Serpent Sting allows 50% of your Mana Regeneration to continue while casting for 15 sec, increased to 100% when Rapid Killing is consumed.
Sourced change history
2026-10-16 · Change
Now: Afflicting a target with Serpent Sting allows 50% of your Mana Regeneration to continue while casting for 15 sec, increased to 100% when Rapid Killing is consumed. Was: Hitting a target with your Serpent Sting ability grants you 50% and consuming Rapid Killing grants you 100% of your Mana regeneration while casting for the next 15 sec.
Sources: Game files · beta build 1.60.1.70425