I think that Bitcoin will not kill ETH, both will do well. For 2022 I would say:
Bitcoin at $100.000
Ethereum at $10.000
you're crazy man with these sums of money. You make me laugh when you think bitcoin 100k.
In 2022 probably bitcoin will be replaced with somenthing better, so obv the price will crash.
Bitcoin is still up bcause China miners control the price, when there will be another coin better to mine it will replace bitcoin which is basically useless.
With all these POS coins, in the 2022 probably you can say bye bye to this bitcoin which I always hated, useless coin