About the new Explorer/Adventurer rings for those wondering.

0.1 x 1.1 + 0.9 = 1.01
0.05 x 1.2 + 0.95 = 1.01

It's the exact same thing. Only difference is 1% 1hko vs 8% stun. Go for the stun. 1% 1hko is useless.