https://worldofwarcraft.com/en-us/character/us/silvermoon/talililis
HR 8.0.1.12-172-g5da5f5f-alpha
HL 8.0.1.12-7-g7e04c07-alpha

When targeting anything attackable, HR sends a constant stream of "Insanity Drain: x" messages to chat, like maybe 10 per second.

Sorry about that. Spam has been removed in commit 8bd92d4