General Questions for a noob

Hi im new to Haypi Dragon been playing about 2 days currently level 10 with Roco level 12 and Leshy level 6, anyways i have some questions about this game

1) How can i level up my dragons faster? i get less than 50xp per game and for my level 6 leshy it takes way too long to do because i cant do the higher levels, i've been using the training thing but thats also very slow.

2) How do i get the Lava/Crystal Dragons, i've played the Lava Boss 5-10 times now and still haven't got the dragon, do i need a full party orrr?? Any tips to help increase my chance of dragon, i got 3 stars on it and still didnt get Lava.

3) What are the benefits of VIP? I got a 7 day VIP from a task but all i know i got was an extra training spot and i think some faster xp but the faster xp doesnt seem to be very much.

4) PVP, why do i always get matched with someone who can kill me in 1 shot..

5) Whats the best way to get a highscore in any normal game? i already have 3 stars in every level up to where im stuck (4-3) but half the time i'm never even close to some of the other highscores. Should i prioritise collecting the green coins over killing enemies faster of what?

6) How do i get the higher level stones? Is there any way to get them other than just playing normal levels?

7) How do i invite someone to the game? I tried the invite button but it said username didnt exist or something but how can i invite someone who is already playing?! The person i told about the game put my user in the registration thing and my task isn't done yet so i dunno what i did wrong.

8) Is exploring worth doing or should i concentrate on Training my dragons?

9) Secret of the tree, what are the roots for? I noticed the exchange but it only uses leaves to buy things.

Probably got more questions soon lol any General Tips would be appreciated

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1) Get VIP. Adds 50% to dragon/player experience. Play highest levels you can obtain 3 stars to gain maximum exp.
2) Each dragon has a % of obtaining after you play and win the boss levels.
Leshy = 30%
Lava = 10%
Crystal = 3%
Angelo = 1%
Devil = 1%
Naughty = <1% (This is because eggs are found on the wheel, and can be purchased with honor. In the eggs themselves are chests, silver, synths, exp cards, etc. along with the possibility of a new dragon.)
3) Yes, extra training slot, faster chat intervals, 50% bonus exp to both player and dragon.
4) Although PVP states it will match you with someone of equal level, it does not. A lot of players who play pvp are extremely high level and have high level stones. This is because they are bored with the game and pvp is all they can do now.
5)Many high scores have been glitched by high level players with their high level dragons. Shameful, but true.
6)Best way to obtain stones is to keep playing. The higher levels you play, more often you will see higher stones. You can synthesize them with a synthesis stone once you get 3 of the same kind and level for 100% success. (lv1 synthesis stone + 3 lv1 stones of same kind = 1 lv2 stone) You can also try synthesis without a stone, it will tell you probability of completing, sometimes will fail and you will lose the stone.
7)Make sure they spelt it 100% correct, caps included. They also need to level up. The more they do the better the rewards you receive. iTunes does not allow you to pick servers, unfortunately. Haypi is trying to get around this so players can choose to play with their friends on the same server.
8)Explore your dragons to help obtain map pieces. If your map is complete, only explore them if you aren't using them. If you aren't sure what map pieces you need, see post "The Way to Laputa" in General Discussion. It has numbered each piece of the map and where you can find them both boss levels and exploring.
9) Leaves can be exchanged for prizes, the "roots" which are actually Vines can be used to skip levels. You will skip your reward on that level if you do so. Levels 10, 20, and all levels 30-40 cannot be skipped at this time.

u basically covered everything, but if you use the VIP make sure you take advantage of that, 4 hour train unless you use coins