Digimon Frontier Book 2 Overview
Note all the names i've used are what they are called in the books and prepare for some of these.....dub attacks, very weird renames and a LOT of wtf!

Chapter 8: The Cool Bolgmon!
-Kids reach a dead end and meet Whamon who tells them about Grottemon (Gigasmon form) pasing the Digital Password to Kerpymon.
-Arbormon finds them, Takuya n Koji Spirit Revolution.
-Attack with Burning Salamander and Lobo Kick.
-Arbor tries to escape but is only leading them away and he Beast Mode Spirit Revolution to Petaldramon.
-Grottemon attacks the others wanting the Digiegg and his Beast Spirit.
-JP can't evolve and is attacked so Whamon uses Water Cannon
-JP sees his Thunder Beast Spirit and gets it Beast Mode Spirit Revolution to Bolgmon
-x1 Lightning Bolt later Grottemon is gone and Zoe gets her spirit back
-Takuya n Koji return saying they've seen off Petaldramon

Chapter 9: Arbormon Again!
-Mercurmon n Lanamon handing over Digital Passwords to Kerpymon but doesn't hand over Orphanimon's data
-Takuya, Koji n JP in the water they are near Dark Continent Forest
-Tocanmon and Torikaraballmon watching them
-Lanamon turns up and Beast Mode Spirit Revolution to Karumarramon
-The boys realise their Scanners have been stolen and see Toucanmon
-Fairimon and Chackmon fight with Karumarramon, she uses Earthquake Titanic
-Arbormon appears and uses Machine Gun Dance
-Torikaraballmon is in trouble, Takuya saves it
-Toucanmon gives the Scanners back n both boys Beast Mode Spirit Revolution as does Arbormon
-Petaldramon uses Leaf Cyclone, BurningGreymon uses Pyro Tornado and Garummon uses Lupine Laser making a nice big bang
-Petaldramon is scanned by Wolfmon. Arbormon asks them to spare him another Digimon is behind him and cuts him down taking his data

Chapter 10: The Prince of Darkness - Duskmon!!
-Introducing Duskmon
-Garummon uses Lupine Laser against him and BurningGreymon fires at him but he can dodge and nothing hurts him
-Duskmon uses Crying Souls against them.
-Garummon uses Slide Revolution to Wolfmon and uses Laser Kendo to attack and then Geist Blade.
-Wolfmon tells Agunimon they should go but he won't run and attacks with Pyro Barrage. Duskmon easily gets out of the way and goes to use Crying Souls but Garummon takes the hit (no we don't see them both transform n stuff)
-Garummon devolves back to Koji, Duskmon knows the name and crys out using Deadly Haze
-Fairimon and Chackmon are still sinking in water both gets their Beast Spirit and Beast Mode Spirit Revolution to Shutumon and Blizzarmon
-Shutumon uses Gilgamesh Slicer and Blizzarmon Gletscher Torpedo laters Karumarramon she is scanned by a Slide Revolution Fairimon.
-In their beast modes, Blizzarmon, Shutumon and Bolgmon see Duskmon.
-Takuya is on a Dark Trailmon and gets back to the real world but in a digimon form

Chapter 11: To Battle, Everyone!!
-People can see him, he sees himself as Takuya and realises that he is in the past. He must stop himself from going.
-Seems himself make it to the lift but another boy misses it, looks like Koji but isn't.
-Sees this boy fall down the stairs
-Police come after the Digimon Takuya and open fire on him with guns
-Digimon Takuya is caught but he sees Tommy, JP and Zoe running for the train and realises they are still behind and must go back so he gets away
-Digital World - Ancient City the others are captive chained up, Mercurmon wants to know where Takuya is but they refuse to say
-Agunimon turns up and frees them, they all Spirit Revolution
-Agunimon attacks with Burning Salamader, Chackmon Icy Sneeze, Blitzmon with Thor Hammer, Fairimon with Tornado Gamba, Chackmon with Icy Blast, Blitzmon with Lightning Blitz all are reflected.
-Aguni attacks again with Burning Salamander and Wildfire Tsunami knocking Mercurmon off the cliff an explosion soon follows

Chapter 12: Combined Spirit Revolution! KendoGarurumon!
-The kids are sucked up to a place where there are a ton of eyeballs each are pushed into an eyeball.
-Boko and Ne-Mon are outside and realise it's Sephirothmon, Mercurmon's Digivolution.
-Wolfmon is fighting a digimon, Chackmon is fighting Asuramon, Blitzmon is fighting Volcamon, Fairimon fight a Digimon, Agunimon is just using Burning Salamander n running
-Duskmon turns up and gets the duo to reveal that Koji is inside of Sephirothmon
-Duskmon gets into Sephirothmon and finds Wolfmon fighting Karatenmon, Duskmon takes out Karatenmon and wants to know who Koji is and why he couldn't kill him.
-Wolfmon uses Laser Kendo against Duskmon but he attacks back making him devolve. Duskmon holds Koji going to kill him
-Koji is buying flowers but jets out after getting a message on his phone about the Digital World, Duskmon realises he was chasing after Koji in the real world
-Kerpymon tells him not to be decieved and to destroy the children, Duskmon goes for the kill but the Digiegg of Orphanimon shines giving Koji power.
-Combo Spirit Revolution to Garummon (grrrr with the re-use of name in the anime it's Beowulfmon and looks like Beowulfmon as well)
-Attacks with Howling Laser he counters both humans seen (Koji and the other boy) both blown out of Sephirothmon
-Agunimon is talked to by a Digimon saying they meet again

Chapter 13: The Miraculous Digivolution!!
-It's Orphanimon....or so Agunimon thinks but introduces himself as BlackSeraphimon (yet they couldn't get it right when they orginally met Seraphimon) who goes to trash Agunimon.
-BlackSeraphimon uses Seven Heavens and devolves him back then grabs him stating he is really Mercurmon enjoying Orphanimon's power.
-He shows him the others being beaten he has to save the others. The Digiegg shines again and he gets to Combo Spirit Revolution to Vritramon (Aldamon/Ardhamon in the anime and looks like him), BlackSeraphimon uses Seven Heavens but it doesn't work.
-Vritramon uses Pyro Barrage devolving BlackSeraphimon back to Mercurmon but Vritra uses Flame Storm and appears to take out Mercurmon
-They are all freed from Sephirothmon and the Digiegg then hatches to Patamon
-The group can now set off to free Seraphimon but Sephirothmon is still alive.
-They all spirit revolution and attack but he just sends them back as he's copied their attacks, so they all attack together beating him

Chapter 14: Velgemon's True Identity
-Garummon is chasing after Duskmon and thinks of what he saw and then attacks causing Duskmon to have another flashback
-His grandma is sick and she reveals that his dad abandoned his mother, he has a younger brother called Koji who lives with his dad. Duskmon's human name is Koichi
-Kerpymon gives Duskmon some power and is able to Beast Mode Spirit Revolution to Velgemon.
-Velgemon reveals he is Koji's brother but still attacks as Garummon can't. Velgemon uses Zone Deleter at Garummon devolving him. Takuya saves him from being killed.
-Koji tells Takuya that Velgemon is his brother but can't fight, Takuya tells him to take his D-Scanner and sort him.
-Takuya Combo Spirit Revolution to fight Velgemon, Koji decides Takuya is right and joins him Combo Spirit Revolution back to Garummon. He uses Howling Laser to attack Velgemon making his spirits show - he takes them as Koichi then is laying on the floor he really is Koji's brother.