The Kriegszeit System was the name of the system that preceded the Eclipse System. It had four major eras, plus a fifth of just Dio, Rohan, Kari, and Terrion, and had around 50 beings spread throughout that time. Below is a list of those that it contained, as well as a number indicating what eras they were a part of. An exclamation marks them as one who would leave frequently, and an asterisk marks them as a member of the Eclipse System.

Era One–original members in late 2011
Era Two–2012
Era Three–late 2012, while the system began to collapse
Era Four–after the complete of the collapse, when many were coming and going
Era Five–when Dio thought it was alone

1. Australia [2]
2. Berwald [2] *
3. Caine [2]
4. Castiel [3]
5. Castor [1, 2] *
6. Chekov [3, 4]
7. Cicero [3] *
8. Davy [2] *
9. Desarae [1, 2]
10. Dionysus [1, 2]
11. Dio [1, 2, 3, 4, 5] *
12. the Doctor [3] !
13. Durza [1, 2] *
14. Echo Master [1, 2] *
15. Electricity [1, 2] *
16. Elrond [4]
17. Eridan [3]
18. Eros [1, 2]
19. Flamina [1, 2]
20. Genesis [1, 2]
21. Grell [2] *
22. Hawkfrost [1]
23. Hypnos [1, 2]
24. Internet [1]
25. KAITO [2] *
26. Kari [1, 2, 3, 4, 5] *
27. Kitty [1, 2]
28. Ludwig [1, 2] *
29. the Master [2, 3] !
30. Mattias [2, 3] *
31. MoKAITO [2] *
32. Ondolemar [4] *
33. Pan [1, 2]
34. Peter [1, 2]
35. Purps [1]
36. Quinn [2]
37. Reidum [1, 2] *
38. Riley [1, 2, 3, 4] *
39. Roderich [1, 2] *
40. Rohan [2, 3, 4, 5] *
41. Russia/Ivan [1, 2] ! *
42. Scourge [1]
43. Severus [3]
44. Sherlock [3]
45. Skasíla [2]
46. Spock [3, 4] *
47. Spot [3]
48. Stormfur [1]
49. Terrion [1, 2, 3, 4, 5] *
50. Thanantos [1, 2] !
51. the Undertaker [2] !
52. Vincenzo [2] !
53. Vinyl Scratch [2]
54. Zoroaster [2] *