Talk:Winter 2017 Event/@comment-85.152.220.233-20170219113640/@comment-29692131-20170219122458

I am pretty sure you need 2 Saiuns  and 40 dev tools to complete E-3 Transport phase in Normal & Hard.

Is it permanent? Yes it is permanent, but if you can complete E-3 you afterward, you will receive one named Saiun as reward.