The Fire Giant only uses his hands for Elden Ring Runes attack during this stage, so concentrate on hitting his legs and the backside of his. Keep in mind that his hands take more damage than the other parts of his body, but they're also extremely difficult to hit, which is why we don't recommend trying take advantage of this.
In this phase, it is the Fire Giant shoots two fire orbs or fireballs simultaneously at a time. Move to either the left or right to stay clear of the danger. In the event of being hit by two fireballs, it can be fatal, so prioritize avoiding these when you spot that Fire Giant preparing to shoot them.
Should the Fire Giant is swarming towards you and is trying to smack on you with his right arm take a ride underneath and follow him. Then, you can take several hits as he recovers and gets ready to strike again.
When it appears that the Fire Giant looks to the sky and begins to make a shower of meteors, ride close to him and start attacking. This is a massive attack window you should make use of, since meteors will never fall right close to that Fire Giant.
This Fire Giant rolls more frequently in this phase and it is important to be prepared to be able to escape. If you spot the Fire Giant begin to Elden Ring Items for sale roll over you, press on the dodge key to grant Torrent an explosion of speed to make avoiding the roll easier.