"Argh… I should have brought some health potions as well," Ryan said, and then he started to drink mana and a stamina potion at the same time.
Ryan started to use Heal, but at least from his perspective, the skill wasn't healing him fast enough. Fortunately, the T-rex still was trying to get up using a single leg. That was quite difficult, given that it had a massive size. If Ryan had used his head and not have let his greedy control him, he should have noticed that destroying the monster's legs first was his best option. It was too late to think about now… to heal a would, Ryan had to touch his body with his only hand. Also, while using Heal, he couldn't concentrate on using other skills… because it was a skill which its effects happen over time.
Fortunately, the monster wasn't smart enough to understand that its scream was more than enough to finish Ryan off. Still, he had to thank himself for that, since the beast was in pain thanks to himself.