T1-T2 = 30
T2-T3 = 50
T3-T4 = 70
T4-T5 = 120
T5-T6 = 180
T6-T7 = 250
T7-T8 = 330
T8-T9 = 420
T9-T10 = 520
T10-T11 = 630
T11-T12 = 730 (you can upgrade the shields on aegis to honed once you reach T12)
T12-T13 = 870
T13-T14 = 1010 (can upgrade shields to Void on aegis once you reach T14)
T14-T15 = 1150 (can upgrade shields to light on aegis once you reach t15)
T15 is max for sonetgames, unknown if max for eleasure/ gametous.
Also max lvl of aegis is possibly lvl 200 (max lvl reached in game by a player is lvl 198 on sonetgames, so unknown if max lvl or not.)