Forum:Urgent quest: 2 Tigrex

I have One big question whats the best way to do Urgent quest: 2 Tigrex for HR 6. Me and Three of my friends are working on getting HR 6 we have most of the HR 5 quests done Were dreading this quest because it's gonna be like when we first took on a tigrex but there both pluses and they hit like a truck. If anyone has any has any good ways to beat this quest please let me know asap where gonna take them on this saterday and sunday.