stone give the best bonus for materials but gibe energycables for eat or war maps (many maps) for the best produce colored gems with nice bonus e.g. shotguns action +500-600% dmg if you have gacha high lvl skill. Give owl pellets for make better bonus for item and fast produce crystal. Babies gacha can get new skill production but clone proces gacha , clone all skill production gacha (dont get new :) ) The best gacha with production is Element Dust, Organic Polymer(dont open crystal, but save in box =free polymer from 1 crystal 30), obsydian, metal, red crystal.
They are safe just feed it and you’ll tame it no need for Tranks just be carful because of the wasted land so bring creature pods (if you have them) to put them in or hope they don’t die on the way to your base