Donated by Glaurung
-taken from Twomi's forum

"some tips for new reavers"

 there are 4 layers in the guild, those are advanced by 
gathering destructive energy. ( you can be a level 30 
reaver at layer 1 or lvl 5 reaver at layer 4 ). the higher 
layer you are at, the better skills and spells you have.
some skills & spells have a clear line in them like:
 
scythe swipe, rampant cutting, reaver strike, blood harvest.. 
when you get the skill for a new layer, you wont need the 
old one other things are the damatype skills.. damatypespell, 
damatypeskill, damatype areaeffectskill etc.. some skilsl just 
have higher max percentages on different layers.. dodgemax 
is 25, 50, 75 on layers 1,2,3...
 
the suffelilayer is 3rd one, you get dodgemax of 75, you get 
to train mastery of destruction which makes all your spells 
very much more effective ( specially the selfheal ,) )
 
stuff like that, you can figure out the rest im sure..  
 
coupla pointers about gathering energy:
 
if you hurt mobs with reaverskills/spells, you will get energy, 
more if you get the killing blow. not sure what the percentage 
is but bigger mobs need more skills spells. if the mob resists 
your damage with the skills/spells, it doesnt count towards 
gaining energy. if you see the message target WAS DESTROYED 
you got energy, sometimes you get a message saying how much 
( tiny, large VAST etc).  
 
other ways are destroying equipment off monsters ( or players 
perhapss) and you get that extra energy once you kill the mob.  
another way is word of attrition, you will get energy by 
destroying items on the ground with it ( though very little, 
and dont think of abusing reagents with it, that was fixed 
AGES ago =) )
 
pkilling nuns also yields some pretty decent energy, the higher 
the nun ( level or totals, dunno) the more you get energy.
 
 
losing energy: if you dont gain new energy in few days 
( i dunno.. 4-7 days) you will lose some.. so if you are just 
idling, atleast go kill a fly or cast word of attrition at iron 
spoon or something to reset the timer.
 
 
hmmhmm what else.. ahh yes.. using prayer to destruction will 
sometimes show you how much energy you have gained towards the 
next layer...  i guess that poretty much covers the faq ,)
 
 
edit: fixed some typos

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Short follow-up post (2nd post in forum in that topic) below.
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ahh yes.. word of spite..  it does magical damage, but it 
also checks psi resists..  so spiting undeads might not work ,)