Not sure it's a bug... But I really think it is...
In this log, Channel Heat improved twice at the same time, two
times int he fight...
----
<100%hp 100%m 97%mv 2322tnl (26.29%)> c chann
You prepare to channel heat.
<100%hp 93%m 97%mv 2322tnl (26.29%)> k hunt
Your burning touch blisters a dwarven hunter.
A dwarven hunter has some small but disgusting cuts.
<100%hp 93%m 97%mv 2322tnl (26.29%)> c cy
A dwarven hunter's beating misses you.
A dwarven hunter's beating misses you.
You have become better at channel heat!
You have become better at channel heat!
Your burning touch heats a dwarven hunter.
A dwarven hunter has some small but disgusting cuts.
<100%hp 93%m 97%mv 2318tnl (26.41%)> A small cyclone of
air begins to swirl around you before striking out at a
dwarven
hunter!
Your cyclone injures a dwarven hunter.
A dwarven hunter is covered with bleeding wounds.
<100%hp 87%m 97%mv 2318tnl (26.41%)>
You have become better at channel heat!
A dwarven hunter's beating grazes you.
You have become better at channel heat!
Your burning touch heats a dwarven hunter.
A dwarven hunter is covered with bleeding wounds.
<90%hp 87%m 97%mv 2298tnl (27.05%)> c cy
A small cyclone of air begins to swirl around you before
striking out at a dwarven hunter!
Your cyclone hits a dwarven hunter.
A dwarven hunter is gushing blood.
<90%hp 82%m 97%mv 2298tnl (27.05%)>
A dwarven hunter's beating grazes you.
Your burning touch misses a dwarven hunter.
A dwarven hunter is gushing blood.
<80%hp 82%m 97%mv 2298tnl (27.05%)> c cy
A small cyclone of air begins to swirl around you before
striking out at a dwarven hunter!
Your cyclone grazes a dwarven hunter.
A dwarven hunter is gushing blood.
<80%hp 76%m 97%mv 2298tnl (27.05%)>
A dwarven hunter's beating grazes you.
Your burning touch heats a dwarven hunter.
A dwarven hunter is writhing in agony.
<70%hp 76%m 97%mv 2298tnl (27.05%)> c cy
Autosaving.
A dwarven hunter is writhing in agony.
<73%hp 81%m 100%mv 2298tnl (27.05%)> A small cyclone of
air begins to swirl around you before striking out at a
dwarven
hunter!
Your cyclone hits a dwarven hunter.
A dwarven hunter is writhing in agony.
<73%hp 75%m 100%mv 2298tnl (27.05%)>
A dwarven hunter's beating misses you.
Your burning touch heats a dwarven hunter.
A dwarven hunter is convulsing on the ground.
<73%hp 75%m 100%mv 2298tnl (27.05%)> c cy
A small cyclone of air begins to swirl around you before
striking out at a dwarven hunter!
Your cyclone mauls a dwarven hunter.
A dwarven hunter is DEAD!!
You receive 181 experience points.
A dwarven hunter's eye pops out of its socket.
You get a silver coin from the burnt corpse of a dwarven
hunter.
You get 18 copper coins from the burnt corpse of a dwarven
hunter.
The gods give you one copper coin for your sacrifice of the
burnt corpse of a dwarven hunter.