RPG 2 – The demons are coming!!!

Well, well! So, it seems a bloodbath is inevitable! I guess I'll have to rely on my silver sword. I tried a few sword moves... Hmm. You can't really do much fancy footwork with this one. But at least it will keep anyone at bay!
I approached the chapel. A couple of skeletons were standing outside. They noticed me and attacked! The larger one ran straight at me, swinging its sword, while the other aimed its bow... I prepared for a fight, but then the second one fired. The amulet should help... The arrow ricocheted off the air shield and knocked the skull off the skeleton swordsman! The remaining body dropped its sword, and I finished it off in two strikes.
Hmm... If the guard outside is this weak, what will be inside...
Without hesitation, I climbed onto the nearest dead tree and from there onto the roof of the chapel. I slipped through a hole in the roof and hid on a beam under the ceiling. Down below...

Down below, there was a whole host of undead of all kinds. A sorceress stood at the altar of the chapel. Her skin was pale, but she was clearly the only one still alive here. A necromancer stood opposite her, and green streaks of magic constantly emanated from his hands, enveloping the sorceress.
- There are about two hours left until the end of the ceremony, someone whispered on a nearby beam. You flinched, but seeing an elf, you calmed down.
- But in another half hour, her body will die... and the remaining time will be spent transforming her soul... So, we don't have much time...
- My friends will help us. Right now, I'll enchant you with all sorts of useful things that will make you much stronger and faster, and on the count of three, we'll attack. What do you think? You looked around; between the neighboring beams, some blue streams of air shimmered...
Even though the structure is quite dilapidated, the wind under the ceiling was clearly stronger than it should be...
- So, what do you say?

- "It seems that the tunnel we were walking through was flooded, and we were swept down into some underground lake..." - the mage replied and swam towards Knight's voice...

Somewhere to your right, a dim light suddenly appeared (like from the local crystals). The light first intensified, but then began to fade as if those carrying it were moving away...