1. my routes doesn't change: default via 192.168.66.110 dev wlP6p1s0 proto dhcp src 192.168.66.211 metric 600 and 192.168.66.0/24 dev wlP6p1s0 proto kernel scope link src 192.168.66.211 metric 600.
2. After some seconds I can access the internet but not my subnet IPs I should be able to ping. So I was wondering if I am even using my VPN connection. I can observe my outgoing connections on my opnsense (but not when doing this on my computer, the device in question).
3. It just contains:

[Peer]
PublicKey = X
Endpoint = IP:NondefaultPort
AllowedIPs = 0.0.0.0\0,::/0

My tunnel address should be 10.200.0.13/32 once connected.

Yes. Then I imported said config additionally via nmcli connection import type wireguard file /etc/wireguard/wg0.conf which may be duplication.

That's what I wanted to leave here as well.

The coloured girl immediately overcome her fear, crossed the street very aware of her surroundings and defended that shot girl.

She observed the situation, decided to put herself into danger to assist this foreigner. Such a strong and lovely human beeing 💪.

I leave her my deepest respect. Whish I could give her a huge hug as a thanks.