Should be advancement since cultivation is like a skill or developed quality. Especially since he's of the finer living, thus he's used to advancing fairly easily and quickly.
it depends on the size of the meteor because if it was armagedon then world nasas would come together with nukes from alot of countryies to stop it because it would be like 131 degrease on earth for like a year so it would be the most reasonable way to stop it
