Azrael's Tear is a 1996 first-person role-playing video game adventure game published by Mindscape and developed by Intelligent Games. Taking place in 2001, the player takes on the role of a futuristic grave robber/archaeologist called a "raptor", who has come to explore a recently opened cavern in Scotland rumored to contain the Holy Grail.
Ken Haywood produced the original concept for the game and worked with Intelligent Games's own Richard Guy on the final design. It was a richly detailed and atmospheric world with challenging puzzles.
The original design called for a Myst-style pre-rendered environment. As development progressed, the team switched to real-time 3D. The game features music written by Ray Shulman and Kerry Minnear, both former members of Gentle Giant.
Source: Wikipedia, "Azrael's Tear", available under the CC-BY-SA License.