Talk:Arcane Barrier/@comment-87.116.183.245-20190312021436/@comment-2001:14BA:15E1:2200:5931:CD57:D12A:1F1E-20190404214348

it means that after 90 attempts, only 1 out of a hundred tenno won't have it at least once.

the odds of going 150 captures without getting it at least once is 0.05% (about 1 in 2200)