Will I get perma banned for this?

Lately I feel like ive been too toxic to my team, and Im not happy about that. Today I feel like ive crossed the line when I started a draft pick and got assinged bot (i picked mid/top). I asked for the mid role but got denied, so I just picked Ahri and wrote in the chat "i go mid". They all said that they will report me, and i regret what i did but im afraid that im gonna get perma banned now. Im kinda new to league so please help me, How does one get perma banned? Is there any other form of ban? If i stop being toxic will i be "safe"? I really dont want to get banned as I have spent money on my acc. and im not really loaded with money. Thanks!
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