A Monument to All Your Sins

A Monument to All Your Sins is a campaign achievement in Halo: Reach. This achievement is obtained when a player completes every campaign mission in Halo: Reach on Legendary solo. It is represented by a Legendary symbol with a human skull rather than the traditional Sangheili skull.Bungie.net: Bungie Weekly Update 07.09.10
==Trivia==
*The achievement's name is derived from a quote from the Gravemind; "I? I am a monument to all your sins." 
*Cortana says this line in a Halo 3 level, while under the influence of the Gravemind.
==Sources==
Category:Halo: Reach Achievements