I was forcibly moved to Germany
The charges Putin is facing is " the war crime of unlawful deportation of population (children) and that of unlawful transfer of population (children) from occupied areas of Ukraine to the Russian Federation".
icc-cpi.int/news/situation-ukraine-icc-judges-issue-arrest-warrants-against-vladimir-vladimirovich-putin-and
This is considered a war crime and anyone can be charged.
If Russia didn't care about International Law then it would be less applicable, but remember how after Israel attacked Iran, Putin himself pointed out how the UN and International Law must be respected and adhered to.
So the best thing for Putin to do, is hand himself over to the ICC and have his day in court.
If he has done nothing wrong, then he will be acquitted like other people who have faced ICC charges.
Because International Law matters as Putin stated.