When Liege Maximo died the remaining members of the Thirteen built a tomb for him out of scraps and spare parts and buried it deep in their city. The Liege's parts (that they could find or be bothered to pick up) were very roughly placed in the way he was constructed and dumped into the tomb.
The tomb was raided by Megatron and Dreadwing in order to obtain the corpse's arm for transplant by Knock Out so that Megatron could gain the power of the Primes. Optimus was very shocked to learn that Megatron desecrated a Prime's tomb.
- Covenant of Primus revealed that the dead Prime was Liege Maximo.