I'm using for my Ungoogled Chromium browser the following extensions
IDN Safe
Cache Killer
CSS EXfil Protection
Font Fingerprint Defender
uBO Lite
Chrome History Cleaner
Ping Blocker
Cookie AutoDelete
I still don't care about cookies
IDM Integration Module
Dark Reader
Translate Web Page
Chromium Web Store
I have BitDefender Total Security with features like AV, Cryptomining, Online Threat Prevention, Advanced Threat Defense, Firewall, Ransomware Remediation, Anti-Tracker etc so most online threats are protected against
Later, if Adguard for Windows 8.0 released, I'll remove uBO Lite. The rest I doubt Adguard offers protection. As far as cookies are concerned I don't see filters for cookies doing a good job
So far my flag settings enbled in UG browser are
Handling of extension MIME type requests
Force punycode hostnames
Reduced System Info
Remove Client Hints
Enable get*ClientRects() fingerprint deception
Enable Canvas::measureText() fingerprint deception
Enable Canvas image data fingerprint deception
Disable WebGL
Enable Fingerprinting Protection Blocklist In Regular Browsing
In my VPN I have enabled block trackers, block malicious sites and block ads