Ryu Books (Infection)
The Ryu Books are Key Items that chronicle different stats related to player activity during .hack//Infection.
Ryu Book I

Chronicles the total number of areas and total play time.
Stats:
- Number of areas visited
- Time
Unlock Criteria |
---|
10 areas visited |
20 areas visited |
30 areas visted |
40 areas visited |
50 areas visited |
5:00:00 of gameplay |
10:00:00 of gameplay |
15:00:00 of gameplay |
Ryu Book II

Chronicles the total number of magic portals in the field and dungeons.
Stats:
- Magic Portals Opened
- All field portals opened
- All dungeon portals opened
Unlock Criteria |
---|
50 portals open |
100 portals open |
150 portals open |
200 portals open |
300 portals open |
400 portals open |
5 all field portals open |
10 all field portals open |
10 all dungeon portals open |
15 all dungeon portals open |
Ryu Book III

Chronicles the names of players you have met.
Stats:
- Name List: 59/67 (Max for Vol.1)
- Total Number of Trades
# | # | # | # | ||||
---|---|---|---|---|---|---|---|
01 | Mia | 18 | Wing | 35 | Acerola | 52 | Alue |
02 | Orca | 19 | Macky | 36 | Borscht | 53 | Alpha Ichigoro |
03 | ? | 20 | NOVA | 37 | M-78 | 54 | Alicia |
04 | Sanjuro | 21 | Sachiko | 38 | Yuckey | 55 | Stare |
05 | ? | 22 | Neja | 39 | Nijukata | 56 | Flare |
06 | ? | 23 | Heavy | 40 | Hirami | 57 | Fool |
07 | ? | 24 | Benkei | 41 | Henako | 58 | Teria |
08 | Piros | 25 | Hayate | 42 | BIG | 59 | Waffle |
09 | ? | 26 | Task | 43 | Yuji | 60 | Cyan |
10 | Elk | 27 | Hinata | 44 | Cima | 61 | Panta |
11 | Natsume | 28 | A-Kichi | 45 | Koji | 62 | Jutah |
12 | ? | 29 | Cleama | 46 | Crest | 63 | Annri |
13 | Gardenia | 30 | Grid | 47 | Mayunosuke | 64 | Benoit |
14 | ? | 31 | Quess | 48 | Mutsuki | 65 | John |
15 | BlackRose | 32 | Nekoski | 49 | Oborozukiyo | 66 | Micino |
16 | Mistral | 33 | Gyokuro | 50 | Bell | 67 | Tim |
17 | ? | 34 | Osugi | 51 | Cossack Leader |
Unlock Criteria |
---|
20 names registered |
5 trades made |
10 trades made |
Ryu Book IV

Chronicles the name of monsters you have fought.
Monster List: 112/303 (Max for Vol.1)
Wiki Wishlist: Confirm that there are no other monsters that can be encountered besides these in //Infection. (Ignoring Phase bosses.)
# | Name | # | Name | # | Name | # | Name |
---|---|---|---|---|---|---|---|
001 | Razine | 077 | 153 | Goblin Wiz | 229 | Mushroom King | |
002 | Swordmanoid | 078 | 154 | 230 | Charmer | ||
003 | Gladiator | 079 | 155 | Martina | 231 | Lamia Fighter | |
004 | Ochimusha | 080 | Monkey Crab | 156 | 232 | Lamia Hunter | |
005 | 081 | Snip Snap | 157 | 233 | |||
006 | Heavy Metal | 082 | Crab Turtle | 158 | 234 | Killer Snaker | |
007 | 083 | Red Scissors | 159 | Cannibal | 235 | ||
008 | Dark Rider | 084 | Squilla Demon | 160 | 236 | Ki/er S^&aker | |
009 | 085 | 161 | Ogre | 237 | |||
010 | 086 | Mantis | 162 | 238 | |||
011 | Tetra Armor | 087 | 163 | Ironball Freak | 239 | ||
012 | 088 | Scorpion Tank | 164 | 240 | Fake Money | ||
013 | General Armor | 089 | 165 | 241 | Mimic | ||
014 | Porolin | 090 | Bat | 166 | 242 | Hell Box | |
015 | Mummy Ripper | 091 | Shield Man | 167 | 243 | ||
016 | 092 | 168 | Little Doggie | 244 | |||
017 | 093 | 169 | Sled Dog | 245 | |||
018 | 094 | 170 | 246 | Death Head | |||
019 | 095 | 171 | 247 | Nomadic Bones | |||
020 | Cadet Valkyrie | 096 | 172 | Hell Doberman | 248 | ||
021 | Fresh Valkyrie | 097 | 173 | Hell Hound | 249 | ||
022 | 098 | 174 | 250 | Living Dead | |||
023 | Long Lived | 099 | 175 | 251 | |||
024 | Grand Mage | 100 | 176 | Flame Heads | 252 | ||
025 | 101 | 177 | 253 | Headhunter | |||
026 | 102 | 178 | 254 | ||||
027 | 103 | 179 | Wiggle Snake | 255 | |||
028 | 104 | 180 | Menhir | 256 | He{dhu&__er | ||
029 | 105 | Moai | 181 | Goil Menhir | 257 | ||
030 | 106 | Rock Head | 182 | 258 | |||
031 | 107 | Mystery Rock | 183 | 259 | |||
032 | 108 | 184 | Fiend Menhir | 260 | |||
033 | 109 | 185 | Limp Knife | 261 | |||
034 | 110 | 186 | Disco Knife | 262 | |||
035 | 111 | 187 | Lambada Knife | 263 | |||
036 | Flamer | 112 | 188 | Dust Curse | 264 | ||
037 | Fire Witch | 113 | 189 | Cursed Blades | 265 | ||
038 | Water Witch | 114 | Stone Tuttle | 190 | Sword of Chaos | 266 | |
039 | Dark Witch | 115 | 191 | Armor Shogun | 267 | ||
040 | 116 | *tone^t= | 192 | 268 | Wiggly | ||
041 | 117 | Minnow | 193 | 269 | Deadly Moth | ||
042 | 118 | Sky Fish | 194 | Dragon Puppy | 270 | Phantom Wing | |
043 | 119 | Arrow Fish | 195 | Snakoid | 271 | ||
044 | 120 | 196 | Lead Snakoid | 272 | Bee Army | ||
045 | 121 | 197 | 273 | Bee Assault | |||
046 | 122 | 198 | 274 | ||||
047 | 123 | Cyclo Shark | 199 | 275 | Baby Worm | ||
048 | 124 | Hammer Shark | 200 | Red Wyrm | 276 | ||
049 | Kakasinger | 125 | 201 | 277 | |||
050 | Guardian | 126 | 202 | __ed^l} | 278 | ||
051 | 127 | 203 | 279 | ||||
052 | Metal Emperor | 128 | 204 | 280 | Odoro | ||
053 | 129 | 205 | 281 | Ectoplasm | |||
054 | 130 | Gremlin | 206 | 282 | Noisy Wisp | ||
055 | 131 | Goblin | 207 | 283 | Halloween | ||
056 | 132 | Stehony | 208 | 284 | |||
057 | Mu Guardian | 133 | Jonue | 209 | 285 | ||
058 | 134 | 210 | 286 | ||||
059 | 135 | 211 | 287 | ||||
060 | 136 | 212 | 288 | Shining Eyes | |||
061 | 137 | 213 | 289 | ||||
062 | 138 | 214 | 290 | ||||
063 | 139 | 215 | Parasite Dragon | 291 | |||
064 | 140 | Hob Goblin | 216 | 292 | |||
065 | 141 | Zyan | 217 | 293 | |||
066 | 142 | 218 | 294 | ||||
067 | Pippy | 143 | 219 | Twinkle Grass | 295 | ||
068 | Chicken Hand | 144 | 220 | Mad Grass | 296 | ||
069 | Wood Harpy | 145 | Goblin Night | 221 | Hungry Grass | 297 | |
070 | 146 | Metal Goblin | 222 | Snappy Grass | 298 | ||
071 | 147 | 223 | Wood Stock | 299 | |||
072 | Phoenix Queen | 148 | Albert | 224 | Thousand Trees | 300 | |
073 | 149 | 225 | W*dSto^k | 301 | |||
074 | 150 | 226 | 302 | ||||
075 | 151 | 227 | Scarlet King | 303 | |||
076 | 152 | Magical Goblin | 228 |
Unlock Criteria |
---|
50 Monsters encountered |
80 Monsters encountered |
Ryu Book V

Chronicles about your friends.
Total gift amount:
# | Name |
---|---|
01 | Mia |
02 | Orca |
03 | ? |
04 | Sanjuro |
05 | ? |
06 | ? |
07 | ? |
08 | Piros |
09 | ? |
10 | Elk |
11 | Natsume |
12 | ? |
13 | Gardenia |
14 | ? |
15 | BlackRose |
16 | Mistral |
Unlock Criteria |
---|
20,000 GP in gifts given |
50,000 GP in gifts given |
Ryu Book VI

Chronicles about Gott statues, treasures, boxes, casks, jars, and bones.
Stats:
- Treasure boxes opened:
- Boxes, bones, etc. broken:
- Gott Statue treasure opened:
Unlock Criteria |
---|
50 treasure chests opened |
150 treasure chests opened |
300 treasure chests opened |
50 boxes, crates, bones, jars, etc. destroyed |
100 boxes, crates, bones, jars, etc. destroyed |
200 boxes, crates, bones, jars, etc. destroyed |
5 Gott Statue chests opened |
15 Gott Statue chests opened |
Ryu Book VII

Chronicles about the Spring of Myst and Symbols.
Stats
- Spring of Myst found
- Encounters with Monsieur:
- Encounters with Grandpa
- Symbols Activated:
Unlock Criteria |
---|
5 visits to Monsieur |
10 visits to Monsieur |
5 visits to Grandpa |
10 visits to Grandpa |
5 symbols activated |
10 symbols activated |
20 symbols activated |
30 symbols activated |
Ryu Book VIII

Chronicles about Grunties and food for Grunties.
- Grunty List
- List of Grunties raised.
Name | Number Raised |
---|---|
Noble Grunty | 0/1(Max for Vol.1) |
Iron Grunty | 0/1(Max for Vol.1) |
Poison Grunty | 0/1(Max for Vol.1) |
? | ? |
? | ? |
? | ? |
? | ? |
? | ? |
? | ? |
Grunty Food List Stats:
- List of Grunty Food obtained
- Total Grunty Food
Name |
---|
Golden Egg |
Grunt Mints |
Twilight Onoin |
Snaky Cactus |
Oh No Melon |
Cordyceps |
White Cherry |
Root Vegetable |
La Pumpkin |
Mushroom |
Mandragora |
Piney Apple |
Immature Egg |
Bear Cat Egg |
Invisible Egg |
Bloody Egg |
Unlock Criteria |
---|
50 Grunty foods are collected |
All Grunty food varieties |
Volume 1 Unlocks
Ryu Book | Unlock Criteria |
---|---|
Book I | 10 areas visited |
20 areas visited | |
30 areas visted | |
40 areas visited | |
50 areas visited | |
5:00:00 of gameplay | |
10:00:00 of gameplay | |
15:00:00 of gameplay | |
Book II | 50 portals open |
100 portals open | |
150 portals open | |
200 portals open | |
300 portals open | |
400 portals open | |
5 all field portals open | |
10 all field portals open | |
10 all dungeon portals open | |
15 all dungeon portals open | |
Book III | 20 names registered |
5 trades made | |
10 trades made | |
Book IV | 50 Monsters encountered |
80 Monsters encountered | |
Book V | 20,000 GP in gifts given |
50,000 GP in gifts given | |
Book VI | 50 treasure chests opened |
150 treasure chests opened | |
300 treasure chests opened | |
50 boxes, crates, bones, jars, etc. destroyed | |
100 boxes, crates, bones, jars, etc. destroyed | |
200 boxes, crates, bones, jars, etc. destroyed | |
5 Gott Statue chests opened | |
15 Gott Statue chests opened | |
Book VII | 5 visits to Monsieur |
10 visits to Monsieur | |
5 visits to Grandpa | |
10 visits to Grandpa | |
5 symbols activated | |
10 symbols activated | |
20 symbols activated | |
30 symbols activated | |
Book VIII | 50 Grunty foods are collected |
All Grunty food varieties |