ThuswasDomingoMartinezdeIralaleftinsolecommandinParaguay。
HenaturallyhadalltogainbynotcommunicatingwithSpain。
Hadhedoneso，thepartheplayedinreferencetoAlvarNunezmusthavebeenknown。Hehad，however，certaingoodqualities，courageinabundance，Herculeanstrengthandgreatendurance，andthepowerofmakinghimselfobeyed。ButhehadtojustifyhimselftoSpainforhisposition，andthesurestwaytodosowastodiscovergold
mines。So，namingFranciscodeMendozahislieutenant，hestarteduptheParaguay，takingwithhimthreehundredandfiftysoldiersandtwothousandGuaranis。
Aftermanyhardships，hereachedthefrontiersofPeru，onlytofindthecountryalreadyconqueredfromthePacificside，andtobemetbythemessengersofthewisePresident，LaGasca，whotoldhimtoreturn，andnamedoneDiegoCentenoGovernorofParaguayinsteadofhim。Centenodiedbeforehecouldassumethegovernorship，soitseemedthatfatedeterminedthatIralawastocontinueincommand。