Psyker - Psyker Grade Examples: There is some controversy as to whether the depiction of psyker power levels explored above should be taken as an objective description of the Alpha level of psychic mastery, or if it is intended to be read as Imperial propaganda, and just the exaggerated view of the generally anti-psychic authorities of the Imperium. The Alpha grade psyker Esarhaddon is powerful enough to control hundreds of Imperial citizens as puppets, but he is not described as being powerful enough to destroy a Battle Titan, and was eventually subdued.However, there are very few Alpha or Αlpha Plus psykers that can be controlled safely, or even at all. Because more powerful psykers attract proportionally more interest from Warp-bound Daemons, many are driven insane, tainted by Chaos, or even become possessed (examples include the Apex Twins, who were responsible for murdering scores of Astra Militarum regiments). They are one of the biggest threats the Inquisition has to face, and are one of the grave dangers to Mankind that the Ordo Hereticus was formed to combat.Most such psykers are executed, as the threat they pose is simply too great to deal with or control to any large degree. The Inquisitor Gideon Ravenor was known to be an Alpha Plus psyker, but was later downgraded to the grade of a powerful Delta or weak Gamma. The Emperor of Mankind would be considered an Alpha Plus psyker, though in fact His power is so great that it probably cannot be measured by any mortal scale.An example of a Beta grade psyker is Sergeant Agun Soric, an Imperial Guardsman who served in the Tanith First and Only Regiment. He was able to detect blood poisoning in a fellow trooper, but his most prominent power was his ability to write messages to himself, which were contained in a brass message shell. Even after throwing the shell away, he would soon find it wriggling in his pocket, containing a message written in his own handwriting.At first the messages contained advice or warnings, but soon began to include criticism as he began to realise what he was, and the danger he posed as an untrained psyker. He eventually admitted his abilities to his regimental commander Ibram Gaunt and was taken by the Inquisition's Black Ships. He was later revealed to have become the Sanctioned Psyker of the 51st Cadogus Armoured Regiment, and was able to use his abilities to manifest from the Warp the ghosts of dead Tanith soldiers.Most notably, he created a ghost of the Cadogus Regiment's Major Berenson and his aide, who the First-and-Only thought to be a normal soldier rather than a Warp echo. Berenson was later "killed" in a Valkyrie crash. When Commissar Hark, who was also involved in the crash, told the colonel of the 51st Cadogus that Berenson had been killed, the colonel replied that Major Berenson's Valkyrie had actually been shot down en route to meet with the Tanith 1st five solar days before!Agun Soric was later mercy-killed by Commissar Hark, but told Hark before his death that what he had been using his ability for was to inform the troops of the Tanith 1st that Colonel-Commissar Gaunt was still alive -- he had been captured and tortured by the forces of the Blood Pact.The Imperium has at times employed a different system of measuring psychic ability, where an individual's psychic profile is represented by a decimal value, presumably from 0 to 1, instead of using the Greek alphabet system employed by The Assignment.