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The following is a list of Sister Worlds random encounters, divided into categories by terrain, encounter associations, and types.  All creatures can be found in the 2nd Edition Monsterous Manual , unless other indicated by a splat (*).  Unless otherwise stated, all encounters have maximum hit die and hit points.  Psionic encounters are not currently included for the Jazedian or Brijanic encounters.  Current categories include:  jungles.
 
 
| Probability | Number | Name | Remarks | 
|---|
 | 17% | 1d6 | Ankhegs | Small and fast variety; 3HD, Mr6, Br12. |  | 8% | 1d6 | Rhinocerous Beetles | No surprise attack; Br 6. |  | 3% | 3d6 | Large Bats | Attack only if desperately hungry; 1HD. |  | 7% | 1d8*10 | Bullwugs* | Advanced version; 8INT. |  | 4% | 1-2 | Jaguars | Attack only if desperately hungry; 3INT. |  | 46% | 3d6 | Alligators | Use 'crocodile' stats. |  | 24% | 2d8 | Lambeosari | Can swim; Sw6 |  | 12% | 2d6 | Diplodoci | Herd morale; unsteady (7). |  | 3% | 1 | Dragon Turtle | Smaller variety; 12HD. |  | 6% | 1d12 | Elephant | Intelligent variety; 5INT. |  | 36% | 5d10 | Piranha | Aggressive variety; 85% chance to attack. |  | 6% | 3d6 | Killer Frogs* | Can surprise hop; -2 penalty to surprise. |  | 1% | 1-2 | Reptilian Gargantua | Dumb variety; 3INT, no empathy. |  | 3% | 1d10 | Grippli* | Low intelligence; 9INT. |  | 16% | 10d10 | Tribesmen | Morale varies by tribe. |  | 2% | 2 | Assassin Bug | Lie in wait; ambush with -2 to surprise. |  | 5% | Special | Velvet Ant Swarm | Immersion does nothing. |  | 12% | 6d6 | Vegepygmies | Found only in the Laekenala Jungles. |  | 4% | 1 | Choke Creeper | Larger variety; 160' long. |  | 9% | 1 | Giant Slug | Often slithers through the burrows of other animals. |  | 6% | 1 | Giant Constrictor | Fast and dangerous; MR15. |  | 2% | 1d6 | Poisonous Snakes | Types vary; MR's vary. |  | 4% | 2d20 | Large Spiders | Have hidden webs among the trees, and in burrow-tunnels. |  | 1% | 1 | Sword Spider | Has class O+1 poison; 2rnds onset, paralysis. |  | Probability | Number | Name | Remarks |  
*Frogs are not found in the Laekenala Jungle 
Associations:  
Rhinocerous beetles, large spiders.
Elephants, lambeosari, tribesmen.
Choke creeper, assassin bug.
Sword spider, large spiders.
Bullywugs, killer frogs.
Reptilian gargantua, large bats, large spiders. 
Predators/Prey:  
Reptilian gargantua - elephants, diplodoci, rhinocerous beetles.
Sword spider - lambeosari, rhinocerous beetles, ankhegs.
Tribesmen - elephants, lambeosari. |