I don't know if anyone is familiar with Kintsugi, but it is the Japanese art of repairing broken pottery using gold to bond the pieces back together. The effect is something reassembled but with veins of gold running throughout where the cracks were. The Citadel at the End of Time is repaired in a similar way, with golden lines indicating where things were broken and reassembled. I thought this was interesting in light of Kang basically saying if he were killed it would just start the multiversal cycle anew. How many times has it happened? How many times has the Citadel/Timeline had to be bonded back together?.