There was a bug yesterday that’s been hotfixed involving a Balance Druid and a Holy Priest. A druid with the innervate trait Lively Spirit could innervate a Holy Priest and have the priest use Holy Word: Salvation granting 40+ stacks of Lively Spirit 1 for each new application of Renew and Prayer of mending, which has since been hotfixed to give 1 stack. Normal lively spirit stacks are 8-12 depending on the healer with a max of 16 using a Mistweaver Monk during Bloodlust. This will generally give 2-4k int depending on how many Lively Spirit traits you use, but with the bug most were getting 16k+ int. it’s easy to track which druids used the bug since their spell power will spike to 24k+ while under normal use it will be around 9-14k
most of the top balance logs using triple Lively Spirit are using the bug for mythic and heroic here are some examples from mythic:
2 holy priests:
https://www.warcraftlogs.com/reports/LqypJn8fw9crRKv7#fight=42&type=resources&source=205&spell=1002
https://www.warcraftlogs.com/reports/x7qLz8HwXbZJ32dG#fight=14&type=resources&source=86&spell=1002
Using it on holy priest with salv and then without salv:
https://www.warcraftlogs.com/reports/PAKxJgQaYwzyfCML#fight=34&type=resources&source=28&spell=1002
https://www.warcraftlogs.com/reports/PAKxJgQaYwzyfCML#fight=37&type=resources&source=28&spell=1002
(you can see the bug vs non bug clearly here)
heroic is far more rampant with the bug as well