I recommend going to the snow biom as there are more argies and they are easier to find in an open space. Make a boat with a flooring 3x3 with a large Dino door and a normal non dragon door opposite it and walls and a ceiling to make a box. Lure the argie in and shut the dino door so it is trapped. Tranq it through the small door so is cant hurt you and when it is down, begin taming then sail away to a safe area.

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