A change to mobility

[frankthedm]

Which is why tumble needs to be house ruled to be weaker. In house rules that make Tumbling harder, Mobility should aid in said tumble check.

Your Tumble check becomes your AC against the AoO you incured by moving if the check result is higher than your AC. Add +4 to your tumble checks against AoOs if you the . You may also add Dodge [Mobility feat gives a dodge bonus IIRC], luck, sacred/profane and insight bonuses [to AC] to this Tumble check

This way Skill focus[tumble], synergies, mobility, dodge and the foe's skill all matter on tumbling. Mobility is still attractive and spring attack is the only "sure way" to avoid movement AoOs.

 

[Infiniti2000]

Which is why tumble needs to be house ruled to be weaker.

I use a counter-tumble mechanic. I don't like the idea of using the Tumble roll as AC, which in many cases will require the AoO (actually making Tumble stronger and NOT weaker).