Sack of spiders
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| Type | Miscellaneous item |
|---|---|
| Name | sack of spiders |
| Icon | 
|
| A woven silk bag. Something appears to be moving inside...
Opening this bag will release a number of spiders friendly to your cause. You might need to dust off the cobwebs after, however. |
A sack of spiders is an evokable item which, when used, generates a Spider's Nest-themed group of friendly monsters, and also generates multiple web traps in the area. Evocations skill affects both the strength and number of summoned allies, but not the success rate - that is set at 80% regardless of your character's stats and skills. Each sack generates with 5-15 charges, and cannot be recharged in any way.
Potential Results
Each successful use of a sack of spiders is guaranteed to produce at least 1-3 allies, plus an additional 1d(Evocations / 4) - 1.
A table of potential results versus example amounts of Evocations skill:
| Monster | Min. Skill | Max. Skill | Skill 0 | Skill 3 | Skill 6 | Skill 9 | Skill 12 | Skill 15 | Skill 18 | Skill 21 | Skill 24 | Skill 27 | |
B  Worker ant |
0 | 13 | 16.67% | 15.18% | 7.66% | 1.79% | 0% | 0% | 0% | 0% | 0% | 0% | |
B  Soldier ant |
0 | 13 | 83.33% | 84.82% | 52.68% | 21.54% | 7.53% | 1.48% | 0% | 0% | 0% | 0% | |
s  Redback |
6 | 19 | 0% | 0% | 39.66% | 57.92% | 56.7% | 33.41% | 12.25% | 0% | 0% | 0% | |
| s Redback |
8 | 27 | 0% | 0% | 0% | 18.75% | 28.69% | 36.07% | 33.04% | 18.21% | 12.53% | 11.76% | |
s  Jumping spider |
12 | 27 | 0% | 0% | 0% | 0% | 7.09% | 22.28% | 28.57% | 22.49% | 15.48% | 14.53% | |
s  Orb spider |
13 | 29 | 0% | 0% | 0% | 0% | 0% | 6.76% | 19.83% | 27.31% | 18.8% | 17.64% | |
s  Tarantella |
15 | 29 | 0% | 0% | 0% | 0% | 0% | 0% | 6.31% | 19.86% | 23.93% | 22.45% | |
s  Wolf spider |
20 | 29 | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 12.14% | 29.25% | 27.44% | |
y  Ghost moth |
21 | 27 | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 6.17% |
Strategy
- A sack of spiders is nearly useless without at least 8 or so levels of Evocations. If you haven't put in the training, don't expect any results from this beyond a couple of quickly destroyed meat shields.
- Be careful where you move after using a sack of spiders. Stepping into one of your own generated web traps is a good way to earn yourself YASD.
History
Prior to 0.18, there were giant mites, spiders and trapdoor spiders summoned if you evocation was still low.
In 0.15, the webs created when evoking a sack of spiders will target enemies, rather than being placed randomly.
Sacks of spiders were added in 0.13.
