Tiana knows she can't match Liabella in terms of outright sexual attacks - and opts to restrict her opponent with her raw strength, clamping down on her movements using her powerful, muscular body before she begins to brutally piston into Liabella's sopping, wet cunt.
Liabella can barely resist at this point because of all the leftover pleasure and the fact that she'd voluntarily aroused herself, let alone Tiana's stronger body... the constant stimulation to her tits and nipples amid the powerful thrusting practically drowns Liabella in pleasure, with the tide turning in Tiana's favor now even as her own massive pleasure builds up...
But Liabella refuses to go down without a fight, managing to bear the rapturous sexual assault and squeezing down hard with her pussy, making it increasingly difficult for the powerful paladin to keep thrusting with all her might.