Levels

Lv	Cooldown	Cost	AP Buff
1	4 days 22:45:40	309,280 325,666	500
	AP Buff: 500
2	6 days 14:20:50	412,370 396,666	800
	AP Buff: 800
3	8 days 05:56:00	515,460 468,666	1150
	AP Buff: 1150
4	10 days 17:18:48	670,098 608,466	1500
	AP Buff: 1500
5	16 days 01:58:12	1,005,147 912,666	2000
	AP Buff: 2000

Required

Upgrade and unlock the following tech to research

Lv	Tech
1	Pure Aura II: 2
2	Pure Aura II: 3
3	Pure Aura II: 4
4	Pure Aura II: 5