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Hi there can any remember or has got the rules on biulding your own MC, it was in an issue of WD but i can't remember which one, any body know ?
If it lives it will be consumed
you can also find the rules in CA 2004
Creature Design Rules:
WD 255UK / 25xUS, errata at a later date (issue unknown)
CA 2002, errata included. This has been out-of-print for a long while.
CA 2004, errata included. The most recent version, this should be still available from most stores outside UK. If You happen to live in UK, tough luck... Order it online from the States, or from Scandinavian or other European stores which also use the English edition of 40K. You can tell You have the right book when there's a green/grey Chaos Defiler on the cover.
"The meat things seek to destroy ourselves. They hunt us as we hunt them but they are weak and uncertain. The inferior flesh will be entirely destroyed, all biomatter consumed. Ourselves will fight to the last, all weak flesh must be devoured."