The 9 represents change,a shift and completion. 
The angel number 999 also means completion. 
The intention behind this oil was to humbly ask your ancestors to move on your behalf. 
Change your circumstances. 
Order your steps
Bring the things that you are asking to the forefront. 
Be prepared for what you are asking Holy Spirit for. 
Be prepared for what you are asking The Universe for. 
Be prepared for what you are asking of Your Ancestors for.