At 7th ranger level, your focus bonus also applies to arcana checks.
At 7th ranger level, choose one:
Ki awareness - Gain 2 maximum points ot Ki. You regain them every rest. You can spend a Ki point during focus to cast a spell you know at 4th level.
Spell point awareness - Gain 1 maximum spell point. It is restored every long rest. You can spend 1 spell point during focus to cast a spell you know at 1/2 your character level(rounded up.) You can use dexterity as the casting modifier. You gain a new base choice of effect when using prep: regain 1 spell point.
Mana-tincture - You gain a maximum amount of Alchemy points equal to half your spell level. You regain 1d4 alchemy points every rest. You can spend an alchemy point up to 3 times per rest to use prep without spending a rest dice, or to pick an extra base option when using prep. You gain a new prep option: mana tincture - create 1 mana tincture potion, allowing you to cast a spell you know at its lowest level, but requires a DC 15 constitution save, taking 1 damage to fatigue on a failure.
At 7th ranger level, choose one:
Ki focus - If you have Ki, learn a mystic or arcnae cantrip that can only be cast while you have at least 1 Ki. Grant it 2 extra upgrade.
Occult focus - If you have spell points, learn an occult cantrip that can only be cast while in focus. Grant it 3 extra upgrades.
Hex focus - Learn a greater hex that can only be cast while in focus. Upgrade it twice.
At 7th ranger level, choose one:
Occult insight - Learn a 1st, 2nd, and 3rd level occult spell.
Mystical insight - Learn a 3rd or 4th level mystic spell. It is made special, as whenever it is cast, its casting modifier gets a +1 bonus.
Fundamental insight - Learn 2 spells that are any of: arcane, mystic, or occult. They must be of 3rd or lower level. Gain a +1 bonus to arcana checks.
Hex insight - Learn 2 major hexes. Upgrade every hex and cantrip you know once. You can spend either Ki, Spell points, or consume a mana tincture to upgrade a hex or cantrip you know once for 1 hour.
For any spells learned in this manner, use wisdom as the casting modifier.
At 8th ranger level, choose 1 upgrade based from the list below:
Deeper hex focus - Learn one of the following hexes that you can cast only when in focus: 1 greater hex, 3 minor hexes.
Extra spell points - If you have at least one spell point, increase your maximum by 1.
Extra ki - If you have Ki, increase your maximum Ki by 1.
Extra minor focus - choose an extra minor focus magic upgrade.
Focus channeling - if you have Ki, you can spend 2 ki instead, or 1 ki and and 3 rest dice to cast a spell you know, casting it at 5th level.
General skill - Gain proficiency with 2 languages, 1 tool, 1 weapon group, 1 skill of choice, medium armor, and heavy shields.
Greater hex - Learn 1 major hex. Upgrade a hex. Upgrade a hex again.
Mana refinement - Gain +2 max AP. You can spend up to 3 AP when using mana tincture. When you do so, produce 1d4+1 mana tinctures instead.
New tricks - Choose an extra ranger training (ranger 3) upgrade, or an extra upgrade option from a list in a previous arhcetype (like Picking things up from Huntsman at ranger lvl 5, or Experience from Wanderer at ranger lvl 5)
Occult manipulation - Learn a 4th level occult spell that can be cast during focus for 1 round of focus and 3 rest dice. Use wisdom or dexterity for the casting modifier.
Pathfinder - Gain a +2 bonus to checks made to find secret passages, hidden rooms and hideaways, and checks made to find exits.
Secret talent - Gain 2 feats that are only active during your focus.
Vast focus - Increase the duration of focus by 1 round. Gain a +1 bonus to wisdom.
At 9th level, choose an extra special training upgrade.
At 9th nomad level, either choose an extra wandering art mastery upgarade, or gain the following based on your wandering art choice:
Hex mysteries - Learn a greater hex. upgrade every hex you know once. +1 to initiative.
Occult focus - Learn a lvl 5 occult spell. You can cast it once per long rest while in focus. Uses wisdom or dexterity as the casting modifier, and the casting modifier is increased by 1. The spell is cast at 1/2 your character level (rounded up.)
Ki mysticism - +1 max Ki. Learn either an arcane, occult, or mystic cantrip and upgrade it twice. It can be cast while you have at least 1 Ki.
Expanded magic awareness - Learn a lvl 1, lvl 2, lvl 3, and lvl 4 spell. Each spell must be of a different class of magic. Gain a +1 bonus to arcana checks.