Talk:Singed/@comment-96.246.91.119-20120618171531/@comment-77.236.25.91-20120619072327

// WARNING: WALL OF MATH INCOMING

BoS Singed: 503 MS and 20% tenacity with ulti, 461 MS and no tenacity without it.

Mercs Singed: 492 MS and 48% tenacity with ulti, 442 MS and 35% tenacity without it.

So, expected value of enemy hard CC when both choices are equal is 0.015 second for each second of battle (0.3 seconds for 20s teamfight) with ulti and 0.032 second for each second of battle (0.64 seconds for 20s teamfight) without it.

This is about late game only. I assumed both Singed have their core item FoN, MS quints and masteries and they dont use ghost at the moment. Mercury treads has 25 MR (equivalent of about 3% extra magic dmg reduction with full build) as additional benefit not calculated here. However, they are a bit more expensive as well.

// WE ARE SAFE HERE

Rough conclusion: if your enemy is going to CC you for 0.5 second or more, take mercs. Otherwise, take BoS. Thats all