Per World Permissions?

groups:
  Peasant:
    build: true
    permissions:
    - modifyworld.*
    - essentials.rules
    - essentials.help
    - essentials.pay
    - essentials.balance
    - essentials.tell
    - essentials.sell
    - essentials.back
    - essentials.who
    - essentials.afk
    - essentials.list
    - essentials.msg
    - essentials.warp.list
    - essentials.warp
    - essentials.motd
    - essentials.spawn
    - essentials.home
    - essentials.tpa
    - essentials.tpahere
    - essentials.tpaccept
    - essentials.home
    - essentials.sethome
    - factions.join
    - factions.create
    - factions.disband
    - factions.leave
    - factions.help
    - factions.title
    - factions.relation
    - factions.who
    - factions.admin
    - factions.power
    - factions.claim
    - factions.unclaim
    - factions.description
    - factions.mod
    - factions.list
    - factions.home
    - factions.sethome
    - factions.unclaimall
    - factions.kick
    - factions.invite
    - factions.map
    - factions.show
    - factions.disband
    - factions.chat
    - mcmmo.ability.*
    - mcmmo.skills.*
    - chestshop.buy
    - chestshop.sell
    - plotme.use.claim
    - plotme.use.auto
    - plotme.use.info
    - plotme.use.clear
    - plotme.use.add
    - plotme.use.remove
    - plotme.limit.1
    - multiverse.access.plotworld
    - multiverse.portal.access.creative
    worlds:
      world:
        permissions:
        - -playervaults.commands.use
    options:
      prefix: '&8[&fPeasant&8]&7'
      default: true