The best way for tame argento is build a simple cage with pillars gate and roof on the SE or with the raft on the rest of map, on the raft the same way but u use walls and 3 doorframes,offcourse u can tame more than one argent with this cages. If someone need help how to build raft swirru-san on the steam.

More Argentavis Taming & KO Tips