링종류가 2링 3링 이런거있다는거 이제안 34급 쪼렙사퍼유저ㅜㅜ

여기저기서 검색해보니까 2링3링 하는게 뭔지는 알겠는데
막 공략보면 이캐릭터는 몇링끼세요! 이런거 많이보는데.... 그렇게 고르는 기준이 뭐에요??ㅜㅠㅠ 캐릭터당 좋은 링...? 뭐 이런건가???ㅜㅜㅜ
주캐는 엘리인데 궁유닉하나랑 아마 나머지3개 4링끼고있는걸로 기억하는데...안좋은건가요..?