Ptir breaks the ice and plunges into the frigid water.
1) >Constitution check. Pass, no exhaustion.
>Acrobatics check. Fail.
Ptir fails to get back on the ice.
2) >Con Check. Pass, no exhaustion.
>Acrobatics check. Fail.
Ptir fails to get back on the ice.
3) >Constitution check. Fail, Exhaustion lvl(1).
>Acrobatics check. Fail.
Ptir fails to get back on the ice.
4) >Con Check. Fail, Exhaustion lvl(2).
>Acrobatics check. Fail.
Ptir fails to get back on the ice.
5)>Con Check. CRIT FAIL, NAT 1.
...
...After a long and grueling amount of flailing, Ptir blinks and somehow... SOMEHOW... he's made it to the other side.
...the other side ***of the pool*** not... the other, *other* side.
----
And that was how cool Mr. dragonborn fighter, Ptir, was introduced to pokemon type advantages.