Destiny's toughest challenge, Crota's End, has been completed solo before, but now a player has finished it on his own without dying once.
Now it's possible the video simply features some good editing to cover up any deaths, but the player, using a Titan guardian, deploys the game's most proven strategies for completing the Raid. In the video we see the guardian uses the Ward of Dawn bubble to create a bridge during the lamp phase, equips the sword to jump the chasm during the bridge building phase, and then dishes lots of damage on Ir Yut and Crota using the Gjallarhorn.
Other players have used all of these strategies to successfully complete the Raid, but this is the first time it's been completed without any deaths.
Among the previous efforts to finish the Raid alone, one player used the game's most hated gun, No Land Beyond, to complete Crota's End.