You cannot stay in one place because you do not have the Hover feat.
Two rounds later, just before a draw, Cujo appears next to Mychasi and slobbers on him. Mychasi does not avoid (8 on Fort save) some life being sucked out, to the tune of 6 points of damage. Mychasi is at 4 HP.
Mychasi's fire affects Cujo for 2 points (rolled 18 Ref save). Cujo has 11 HP left. Mychasi can breathe in 3 rounds.
Cujo charges and slobbers, but Mychasi toughs out the cold touch of drool (18 Fort save).
Mychasi puts serious distance between himself and Cujo.
Cujo disappears.
Cujo reappears next to Mychasi, but drools in the wrong direction. Mychasi's fire does 1 point of damage. Cujo is at 10 HP. Mychasi can breathe in 4 rounds.
Cujo charges and drools on Mychasi. Mychasi takes 2 HP, and is at 2 HP remaining.
Mychasi puts distance between them.
(The above rounds, Mychasi should have breathed first as a ready action, so assume that is what happened.)
Cujo disappears.
Cujo is still gone.
Mychasi breathes, and Cujo fries for 6 points. Cujo has 4 HP left. Mychasi avoids Cujo's drool. Mychasi can breathe in four rounds.
Cujo charges, but Mychasi fights off the life-draining effects of the drool.
Mychasi puts distance between them.
Cujo disappears
Cujo still gone.
The fire goes right through Cujo without harming him. Cujo's drool goes everywhere but at Mychasi. Mychasi can breathe again in two rounds.
Cujo charges, but Mychasi avoids the drool.
The battle is a draw.
Neutral Good goes first in the next battle. EvilHalfling, you get a pegasus. The battle goes back to you, Gansk.