Wow… I didn’t expect that many good answers here. Thanks all! I have saved some gold so I’ll check AH for 232.
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Regarding your question, I have played 2 arena (3 vs 3), we lost and they blamed me for losing twice and my gear - nothing that terrible but they were a bit toxic for sure.
About dungeon I found a group in the trade chat, they were nicer but they removed me from the party after inspecting my gear.
Maybe I should kept continue and trying other groups but for some weird reason those situations made me feel bad and anxious.