interesting, if i see 2 or more Regulus in the opposing team, i will maybe use that favor item. Because when i am marked, i sense that either way i am screwed:

-if i use an ability before the mark cooldown is over i love a lot of mobility and some hps

-if i don't use an ability i have to wait for the lloooonnnggg cooldown to to finish (and that doesn't protect me from a second mark) and not using an ability is a huge loss as well.

I would like to see a consumable that removes the negatives effects.

I see it as minebombgrenade's weaker brother. It would be a great skill if it also interrupted, but now it's just... meh.

Grenades also get a slow. And Reg has a passive for it too. Sure, the slow is nice, but feels kind of redundant when you look at Reg's other skills, their costs and their recharges.

As UB, I love when my opponents go with  MotB.

Why isn't he slowing down? Ooze is a skill, right? No? NOOOOOOOOO!!!!!!

Mark is great when Ereubs decides to mist out of desperation.

I have an interesting question: Is it possible to slow somebody so much they have negative speed? I mean, with MotB, mines, and main, you get 100%, so if you add in a Bite and an Ooze debuff, the enemy would have negative speed. Errors, anybody? (probably capped at 0%).

It could either be capped or just calculated mutliplicatively.

You'll never go negative with mulplicative calculation.

e.g.

10 speed + 20% reduction = 10 * 0.8 = 8

10 speed + 90% reduction = 10 * 0.1 = 1

10 speed  + 20% reduction + 90% reduction = 10 * 0.8 * 0.1 = 0.8

That doesn't seem correct, I've been hit by both the Mark and the Mines slow at the same time and even with Wand of Speed active I was barely moving (no kidding, I was CRAWLING across the screen).  It was way over the top.  

Of course all of this talk of if the Mark is worth taking or not is a complete derail from the OP.  The question is what can be done about it when you have to face it?  I play a lot of TB and all I can say is there is almost nothing you can do.  Being forced to take a specific favor item just to survive against a particular skill set up (which you won't be sure your opponent is even going to do) is ridiculous (and it's not even a guarantee that it will end up helping you that much). 

There is also another favor item that gives a cap to the amount of speed reduction that can affect you, but that is a crap item. 

My only option has been to engage the Reg with this set up in a 2v1 situation only, but of course the opposing Reg can just hang near another teammate at all times so...

Koz

There is a 33% slow cap, but it is broken. (When you get slowed, it takes your new speed into acount and calculates a new 'max slowed speed'.)

I think it's to counter speed buffs. Like a 60% counters a 20% speed buff, slows for 33%, and wastes 7%. But it doesn't work.

Also, you get MoB 5 levels sooner than you get the slow from mines.