King of mist bug

Hi,

I killed king of the mist (3 times) and he is still marked as not done on the map and I didn't got the boosts, someone got the same problem or a solution ?

https://preview.redd.it/u7jnvb1o3i5e1.png?width=2559&format=png&auto=webp&s=93c38717a45886df1d864bf66a38fc95187abeec

https://preview.redd.it/exowmefq3i5e1.png?width=577&format=png&auto=webp&s=92d8aec2bdd578eb1be46abdf01658279720b38c